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Unity Intellisense problem may be caused by C# extension error

See original GitHub issue

Environment data

 Version:   3.1.301
 Commit:    7feb845744

Runtime Environment:
 OS Name:     Mac OS X
 OS Version:  10.14
 OS Platform: Darwin
 RID:         osx.10.14-x64
 Base Path:   /usr/local/share/dotnet/sdk/3.1.301/

Host (useful for support):
  Version: 3.1.5
  Commit:  65cd789777

.NET Core SDKs installed:
  3.1.201 [/usr/local/share/dotnet/sdk]
  3.1.301 [/usr/local/share/dotnet/sdk]

.NET Core runtimes installed:
  Microsoft.AspNetCore.App 3.1.3 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
  Microsoft.AspNetCore.App 3.1.5 [/usr/local/share/dotnet/shared/Microsoft.AspNetCore.App]
  Microsoft.NETCore.App 3.1.3 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]
  Microsoft.NETCore.App 3.1.5 [/usr/local/share/dotnet/shared/Microsoft.NETCore.App]

To install additional .NET Core runtimes or SDKs:
  https://aka.ms/dotnet-download

VS Code version: 1.49.0 C# Extension version: 1.23.2

OmniSharp log

    Target: /Users/Flickso/mirrormirroronthewall/mirrormirroronthewall.sln

OmniSharp server started.
    Path: /Users/Flickso/.vscode/extensions/ms-dotnettools.csharp-1.23.2/.omnisharp/1.37.1/run
    PID: 19986

[info]: OmniSharp.Stdio.Host
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[info]: OmniSharp.Services.DotNetCliService
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[info]: OmniSharp.MSBuild.Discovery.MSBuildLocator
        Located 1 MSBuild instance(s)
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[info]: OmniSharp.MSBuild.Discovery.MSBuildLocator
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[info]: OmniSharp.MSBuild.Discovery.MSBuildLocator
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[info]: OmniSharp.Cake.CakeProjectSystem
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[info]: OmniSharp.Cake.CakeProjectSystem
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[info]: OmniSharp.MSBuild.ProjectSystem
        Detecting projects in '/Users/Flickso/mirrormirroronthewall/mirrormirroronthewall.sln'.
[info]: OmniSharp.MSBuild.ProjectManager
        Queue project update for '/Users/Flickso/mirrormirroronthewall/Mirror.csproj'
[info]: OmniSharp.MSBuild.ProjectManager
        Queue project update for '/Users/Flickso/mirrormirroronthewall/Telepathy.csproj'
[info]: OmniSharp.MSBuild.ProjectManager
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[info]: OmniSharp.MSBuild.ProjectManager
        Queue project update for '/Users/Flickso/mirrormirroronthewall/Mirror.Cloud.csproj'
[info]: OmniSharp.MSBuild.ProjectManager
        Queue project update for '/Users/Flickso/mirrormirroronthewall/Mirror.Components.csproj'
[info]: OmniSharp.MSBuild.ProjectManager
        Queue project update for '/Users/Flickso/mirrormirroronthewall/Ninja.WebSockets.csproj'
[info]: OmniSharp.MSBuild.ProjectManager
        Queue project update for '/Users/Flickso/mirrormirroronthewall/Mirror.Examples.csproj'
[info]: OmniSharp.MSBuild.ProjectManager
        Queue project update for '/Users/Flickso/mirrormirroronthewall/Mirror.Tests.Runtime.csproj'
[info]: OmniSharp.MSBuild.ProjectManager
        Queue project update for '/Users/Flickso/mirrormirroronthewall/Mirror.Examples.Cloud.GUI.csproj'
[info]: OmniSharp.MSBuild.ProjectManager
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[info]: OmniSharp.MSBuild.ProjectManager
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[info]: OmniSharp.MSBuild.ProjectManager
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[info]: OmniSharp.MSBuild.ProjectManager
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[info]: OmniSharp.MSBuild.ProjectManager
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[info]: OmniSharp.MSBuild.ProjectManager
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[info]: OmniSharp.MSBuild.ProjectManager
        Queue project update for '/Users/Flickso/mirrormirroronthewall/Mirror.Tests.csproj'
[info]: OmniSharp.MSBuild.ProjectManager
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[info]: OmniSharp.MSBuild.ProjectManager
        Queue project update for '/Users/Flickso/mirrormirroronthewall/Mirror.Editor.csproj'
[info]: OmniSharp.MSBuild.ProjectManager
        Queue project update for '/Users/Flickso/mirrormirroronthewall/Mirror.Tests.Performance.Editor.csproj'
[info]: OmniSharp.MSBuild.ProjectManager
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[info]: OmniSharp.MSBuild.ProjectManager
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[info]: OmniSharp.MSBuild.ProjectManager
        Queue project update for '/Users/Flickso/mirrormirroronthewall/Mirror.Tests.Generated.csproj'
[info]: OmniSharp.Script.ScriptProjectSystem
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[info]: OmniSharp.Script.ScriptProjectSystem
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[info]: OmniSharp.WorkspaceInitializer
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[info]: OmniSharp.MSBuild.ProjectManager
        Loading project: /Users/Flickso/mirrormirroronthewall/Mirror.csproj
[info]: OmniSharp.WorkspaceInitializer
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[info]: OmniSharp.WorkspaceInitializer
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[info]: OmniSharp.WorkspaceInitializer
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[info]: OmniSharp.WorkspaceInitializer
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[info]: OmniSharp.WorkspaceInitializer
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[info]: OmniSharp.Stdio.Host
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[info]: OmniSharp.OmniSharpWorkspace
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[fail]: OmniSharp.MSBuild.ProjectLoader
        The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks
[warn]: OmniSharp.MSBuild.ProjectManager
        Failed to load project file '/Users/Flickso/mirrormirroronthewall/Mirror.csproj'.
/Users/Flickso/mirrormirroronthewall/Mirror.csproj
/Users/Flickso/.vscode/extensions/ms-dotnettools.csharp-1.23.2/.omnisharp/1.37.1/omnisharp/.msbuild/Current/Bin/Microsoft.Common.CurrentVersion.targets(1178,5): Error: The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks

[info]: OmniSharp.MSBuild.ProjectManager
        Loading project: /Users/Flickso/mirrormirroronthewall/Telepathy.csproj
[fail]: OmniSharp.MSBuild.ProjectLoader
        The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks
[warn]: OmniSharp.MSBuild.ProjectManager
        Failed to load project file '/Users/Flickso/mirrormirroronthewall/Telepathy.csproj'.
/Users/Flickso/mirrormirroronthewall/Telepathy.csproj
/Users/Flickso/.vscode/extensions/ms-dotnettools.csharp-1.23.2/.omnisharp/1.37.1/omnisharp/.msbuild/Current/Bin/Microsoft.Common.CurrentVersion.targets(1178,5): Error: The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks

[info]: OmniSharp.MSBuild.ProjectManager
        Loading project: /Users/Flickso/mirrormirroronthewall/Mirror.Websocket.csproj
[fail]: OmniSharp.MSBuild.ProjectLoader
        The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks
[warn]: OmniSharp.MSBuild.ProjectManager
        Failed to load project file '/Users/Flickso/mirrormirroronthewall/Mirror.Websocket.csproj'.
/Users/Flickso/mirrormirroronthewall/Mirror.Websocket.csproj
/Users/Flickso/.vscode/extensions/ms-dotnettools.csharp-1.23.2/.omnisharp/1.37.1/omnisharp/.msbuild/Current/Bin/Microsoft.Common.CurrentVersion.targets(1178,5): Error: The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks

[info]: OmniSharp.MSBuild.ProjectManager
        Loading project: /Users/Flickso/mirrormirroronthewall/Mirror.Cloud.csproj
[fail]: OmniSharp.MSBuild.ProjectLoader
        The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks
[warn]: OmniSharp.MSBuild.ProjectManager
        Failed to load project file '/Users/Flickso/mirrormirroronthewall/Mirror.Cloud.csproj'.
/Users/Flickso/mirrormirroronthewall/Mirror.Cloud.csproj
/Users/Flickso/.vscode/extensions/ms-dotnettools.csharp-1.23.2/.omnisharp/1.37.1/omnisharp/.msbuild/Current/Bin/Microsoft.Common.CurrentVersion.targets(1178,5): Error: The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks

[info]: OmniSharp.MSBuild.ProjectManager
        Loading project: /Users/Flickso/mirrormirroronthewall/Mirror.Components.csproj
[fail]: OmniSharp.MSBuild.ProjectLoader
        The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks
[warn]: OmniSharp.MSBuild.ProjectManager
        Failed to load project file '/Users/Flickso/mirrormirroronthewall/Mirror.Components.csproj'.
/Users/Flickso/mirrormirroronthewall/Mirror.Components.csproj
/Users/Flickso/.vscode/extensions/ms-dotnettools.csharp-1.23.2/.omnisharp/1.37.1/omnisharp/.msbuild/Current/Bin/Microsoft.Common.CurrentVersion.targets(1178,5): Error: The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks

[info]: OmniSharp.MSBuild.ProjectManager
        Loading project: /Users/Flickso/mirrormirroronthewall/Ninja.WebSockets.csproj
[fail]: OmniSharp.MSBuild.ProjectLoader
        The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks
[warn]: OmniSharp.MSBuild.ProjectManager
        Failed to load project file '/Users/Flickso/mirrormirroronthewall/Ninja.WebSockets.csproj'.
/Users/Flickso/mirrormirroronthewall/Ninja.WebSockets.csproj
/Users/Flickso/.vscode/extensions/ms-dotnettools.csharp-1.23.2/.omnisharp/1.37.1/omnisharp/.msbuild/Current/Bin/Microsoft.Common.CurrentVersion.targets(1178,5): Error: The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks

[info]: OmniSharp.MSBuild.ProjectManager
        Loading project: /Users/Flickso/mirrormirroronthewall/Mirror.Examples.csproj
[fail]: OmniSharp.MSBuild.ProjectLoader
        The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks
[warn]: OmniSharp.MSBuild.ProjectManager
        Failed to load project file '/Users/Flickso/mirrormirroronthewall/Mirror.Examples.csproj'.
/Users/Flickso/mirrormirroronthewall/Mirror.Examples.csproj
/Users/Flickso/.vscode/extensions/ms-dotnettools.csharp-1.23.2/.omnisharp/1.37.1/omnisharp/.msbuild/Current/Bin/Microsoft.Common.CurrentVersion.targets(1178,5): Error: The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks

[info]: OmniSharp.MSBuild.ProjectManager
        Loading project: /Users/Flickso/mirrormirroronthewall/Mirror.Tests.Runtime.csproj
[fail]: OmniSharp.MSBuild.ProjectLoader
        The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks
[warn]: OmniSharp.MSBuild.ProjectManager
        Failed to load project file '/Users/Flickso/mirrormirroronthewall/Mirror.Tests.Runtime.csproj'.
/Users/Flickso/mirrormirroronthewall/Mirror.Tests.Runtime.csproj
/Users/Flickso/.vscode/extensions/ms-dotnettools.csharp-1.23.2/.omnisharp/1.37.1/omnisharp/.msbuild/Current/Bin/Microsoft.Common.CurrentVersion.targets(1178,5): Error: The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks

[info]: OmniSharp.MSBuild.ProjectManager
        Loading project: /Users/Flickso/mirrormirroronthewall/Mirror.Examples.Cloud.GUI.csproj
[fail]: OmniSharp.MSBuild.ProjectLoader
        The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks
[warn]: OmniSharp.MSBuild.ProjectManager
        Failed to load project file '/Users/Flickso/mirrormirroronthewall/Mirror.Examples.Cloud.GUI.csproj'.
/Users/Flickso/mirrormirroronthewall/Mirror.Examples.Cloud.GUI.csproj
/Users/Flickso/.vscode/extensions/ms-dotnettools.csharp-1.23.2/.omnisharp/1.37.1/omnisharp/.msbuild/Current/Bin/Microsoft.Common.CurrentVersion.targets(1178,5): Error: The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks

[info]: OmniSharp.MSBuild.ProjectManager
        Loading project: /Users/Flickso/mirrormirroronthewall/Assembly-CSharp.csproj
[fail]: OmniSharp.MSBuild.ProjectLoader
        The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks
[warn]: OmniSharp.MSBuild.ProjectManager
        Failed to load project file '/Users/Flickso/mirrormirroronthewall/Assembly-CSharp.csproj'.
/Users/Flickso/mirrormirroronthewall/Assembly-CSharp.csproj
/Users/Flickso/.vscode/extensions/ms-dotnettools.csharp-1.23.2/.omnisharp/1.37.1/omnisharp/.msbuild/Current/Bin/Microsoft.Common.CurrentVersion.targets(1178,5): Error: The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks

[info]: OmniSharp.MSBuild.ProjectManager
        Loading project: /Users/Flickso/mirrormirroronthewall/Mirror.Examples.Cloud.Pong.csproj
[fail]: OmniSharp.MSBuild.ProjectLoader
        The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks
[warn]: OmniSharp.MSBuild.ProjectManager
        Failed to load project file '/Users/Flickso/mirrormirroronthewall/Mirror.Examples.Cloud.Pong.csproj'.
/Users/Flickso/mirrormirroronthewall/Mirror.Examples.Cloud.Pong.csproj
/Users/Flickso/.vscode/extensions/ms-dotnettools.csharp-1.23.2/.omnisharp/1.37.1/omnisharp/.msbuild/Current/Bin/Microsoft.Common.CurrentVersion.targets(1178,5): Error: The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks

[info]: OmniSharp.MSBuild.ProjectManager
        Loading project: /Users/Flickso/mirrormirroronthewall/Mirror.Tests.Common.csproj
[fail]: OmniSharp.MSBuild.ProjectLoader
        The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks
[warn]: OmniSharp.MSBuild.ProjectManager
        Failed to load project file '/Users/Flickso/mirrormirroronthewall/Mirror.Tests.Common.csproj'.
/Users/Flickso/mirrormirroronthewall/Mirror.Tests.Common.csproj
/Users/Flickso/.vscode/extensions/ms-dotnettools.csharp-1.23.2/.omnisharp/1.37.1/omnisharp/.msbuild/Current/Bin/Microsoft.Common.CurrentVersion.targets(1178,5): Error: The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks

[info]: OmniSharp.MSBuild.ProjectManager
        Loading project: /Users/Flickso/mirrormirroronthewall/Mirror.Tests.Performance.Runtime.csproj
[fail]: OmniSharp.MSBuild.ProjectLoader
        The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks
[warn]: OmniSharp.MSBuild.ProjectManager
        Failed to load project file '/Users/Flickso/mirrormirroronthewall/Mirror.Tests.Performance.Runtime.csproj'.
/Users/Flickso/mirrormirroronthewall/Mirror.Tests.Performance.Runtime.csproj
/Users/Flickso/.vscode/extensions/ms-dotnettools.csharp-1.23.2/.omnisharp/1.37.1/omnisharp/.msbuild/Current/Bin/Microsoft.Common.CurrentVersion.targets(1178,5): Error: The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks

[info]: OmniSharp.MSBuild.ProjectManager
        Loading project: /Users/Flickso/mirrormirroronthewall/Mirror.Authenticators.csproj
[fail]: OmniSharp.MSBuild.ProjectLoader
        The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks
[warn]: OmniSharp.MSBuild.ProjectManager
        Failed to load project file '/Users/Flickso/mirrormirroronthewall/Mirror.Authenticators.csproj'.
/Users/Flickso/mirrormirroronthewall/Mirror.Authenticators.csproj
/Users/Flickso/.vscode/extensions/ms-dotnettools.csharp-1.23.2/.omnisharp/1.37.1/omnisharp/.msbuild/Current/Bin/Microsoft.Common.CurrentVersion.targets(1178,5): Error: The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks

[info]: OmniSharp.MSBuild.ProjectManager
        Loading project: /Users/Flickso/mirrormirroronthewall/Mirror.example.RigidbodyPhysics.csproj
[fail]: OmniSharp.MSBuild.ProjectLoader
        The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks
[warn]: OmniSharp.MSBuild.ProjectManager
        Failed to load project file '/Users/Flickso/mirrormirroronthewall/Mirror.example.RigidbodyPhysics.csproj'.
/Users/Flickso/mirrormirroronthewall/Mirror.example.RigidbodyPhysics.csproj
/Users/Flickso/.vscode/extensions/ms-dotnettools.csharp-1.23.2/.omnisharp/1.37.1/omnisharp/.msbuild/Current/Bin/Microsoft.Common.CurrentVersion.targets(1178,5): Error: The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks

[info]: OmniSharp.MSBuild.ProjectManager
        Loading project: /Users/Flickso/mirrormirroronthewall/Mirror.Tests.csproj
[fail]: OmniSharp.MSBuild.ProjectLoader
        The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks
[warn]: OmniSharp.MSBuild.ProjectManager
        Failed to load project file '/Users/Flickso/mirrormirroronthewall/Mirror.Tests.csproj'.
/Users/Flickso/mirrormirroronthewall/Mirror.Tests.csproj
/Users/Flickso/.vscode/extensions/ms-dotnettools.csharp-1.23.2/.omnisharp/1.37.1/omnisharp/.msbuild/Current/Bin/Microsoft.Common.CurrentVersion.targets(1178,5): Error: The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks

[info]: OmniSharp.MSBuild.ProjectManager
        Loading project: /Users/Flickso/mirrormirroronthewall/Mirror.Weaver.csproj
[fail]: OmniSharp.MSBuild.ProjectLoader
        The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks
[warn]: OmniSharp.MSBuild.ProjectManager
        Failed to load project file '/Users/Flickso/mirrormirroronthewall/Mirror.Weaver.csproj'.
/Users/Flickso/mirrormirroronthewall/Mirror.Weaver.csproj
/Users/Flickso/.vscode/extensions/ms-dotnettools.csharp-1.23.2/.omnisharp/1.37.1/omnisharp/.msbuild/Current/Bin/Microsoft.Common.CurrentVersion.targets(1178,5): Error: The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks

[info]: OmniSharp.MSBuild.ProjectManager
        Loading project: /Users/Flickso/mirrormirroronthewall/Mirror.Editor.csproj
[fail]: OmniSharp.MSBuild.ProjectLoader
        The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks
[warn]: OmniSharp.MSBuild.ProjectManager
        Failed to load project file '/Users/Flickso/mirrormirroronthewall/Mirror.Editor.csproj'.
/Users/Flickso/mirrormirroronthewall/Mirror.Editor.csproj
/Users/Flickso/.vscode/extensions/ms-dotnettools.csharp-1.23.2/.omnisharp/1.37.1/omnisharp/.msbuild/Current/Bin/Microsoft.Common.CurrentVersion.targets(1178,5): Error: The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks

[info]: OmniSharp.MSBuild.ProjectManager
        Loading project: /Users/Flickso/mirrormirroronthewall/Mirror.Tests.Performance.Editor.csproj
[fail]: OmniSharp.MSBuild.ProjectLoader
        The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks
[warn]: OmniSharp.MSBuild.ProjectManager
        Failed to load project file '/Users/Flickso/mirrormirroronthewall/Mirror.Tests.Performance.Editor.csproj'.
/Users/Flickso/mirrormirroronthewall/Mirror.Tests.Performance.Editor.csproj
/Users/Flickso/.vscode/extensions/ms-dotnettools.csharp-1.23.2/.omnisharp/1.37.1/omnisharp/.msbuild/Current/Bin/Microsoft.Common.CurrentVersion.targets(1178,5): Error: The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks

[info]: OmniSharp.MSBuild.ProjectManager
        Loading project: /Users/Flickso/mirrormirroronthewall/WeaverTestExtraAssembly.csproj
[fail]: OmniSharp.MSBuild.ProjectLoader
        The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks
[warn]: OmniSharp.MSBuild.ProjectManager
        Failed to load project file '/Users/Flickso/mirrormirroronthewall/WeaverTestExtraAssembly.csproj'.
/Users/Flickso/mirrormirroronthewall/WeaverTestExtraAssembly.csproj
/Users/Flickso/.vscode/extensions/ms-dotnettools.csharp-1.23.2/.omnisharp/1.37.1/omnisharp/.msbuild/Current/Bin/Microsoft.Common.CurrentVersion.targets(1178,5): Error: The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks

[info]: OmniSharp.MSBuild.ProjectManager
        Loading project: /Users/Flickso/mirrormirroronthewall/Mirror.CompilerSymbols.csproj
[fail]: OmniSharp.MSBuild.ProjectLoader
        The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks
[warn]: OmniSharp.MSBuild.ProjectManager
        Failed to load project file '/Users/Flickso/mirrormirroronthewall/Mirror.CompilerSymbols.csproj'.
/Users/Flickso/mirrormirroronthewall/Mirror.CompilerSymbols.csproj
/Users/Flickso/.vscode/extensions/ms-dotnettools.csharp-1.23.2/.omnisharp/1.37.1/omnisharp/.msbuild/Current/Bin/Microsoft.Common.CurrentVersion.targets(1178,5): Error: The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks

[info]: OmniSharp.MSBuild.ProjectManager
        Loading project: /Users/Flickso/mirrormirroronthewall/Mirror.Tests.Generated.csproj
[fail]: OmniSharp.MSBuild.ProjectLoader
        The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks
[warn]: OmniSharp.MSBuild.ProjectManager
        Failed to load project file '/Users/Flickso/mirrormirroronthewall/Mirror.Tests.Generated.csproj'.
/Users/Flickso/mirrormirroronthewall/Mirror.Tests.Generated.csproj
/Users/Flickso/.vscode/extensions/ms-dotnettools.csharp-1.23.2/.omnisharp/1.37.1/omnisharp/.msbuild/Current/Bin/Microsoft.Common.CurrentVersion.targets(1178,5): Error: The reference assemblies for .NETFramework,Version=v4.7.1 were not found. To resolve this, install the Developer Pack (SDK/Targeting Pack) for this framework version or retarget your application. You can download .NET Framework Developer Packs at https://aka.ms/msbuild/developerpacks

[fail]: OmniSharp.MSBuild.ProjectManager
        Attempted to update project that is not loaded: /Users/Flickso/mirrormirroronthewall/Mirror.csproj
[fail]: OmniSharp.MSBuild.ProjectManager
        Attempted to update project that is not loaded: /Users/Flickso/mirrormirroronthewall/Telepathy.csproj
[fail]: OmniSharp.MSBuild.ProjectManager
        Attempted to update project that is not loaded: /Users/Flickso/mirrormirroronthewall/Mirror.Websocket.csproj
[fail]: OmniSharp.MSBuild.ProjectManager
        Attempted to update project that is not loaded: /Users/Flickso/mirrormirroronthewall/Mirror.Cloud.csproj
[fail]: OmniSharp.MSBuild.ProjectManager
        Attempted to update project that is not loaded: /Users/Flickso/mirrormirroronthewall/Mirror.Components.csproj
[fail]: OmniSharp.MSBuild.ProjectManager
        Attempted to update project that is not loaded: /Users/Flickso/mirrormirroronthewall/Ninja.WebSockets.csproj
[fail]: OmniSharp.MSBuild.ProjectManager
        Attempted to update project that is not loaded: /Users/Flickso/mirrormirroronthewall/Mirror.Examples.csproj
[fail]: OmniSharp.MSBuild.ProjectManager
        Attempted to update project that is not loaded: /Users/Flickso/mirrormirroronthewall/Mirror.Tests.Runtime.csproj
[fail]: OmniSharp.MSBuild.ProjectManager
        Attempted to update project that is not loaded: /Users/Flickso/mirrormirroronthewall/Mirror.Examples.Cloud.GUI.csproj
[fail]: OmniSharp.MSBuild.ProjectManager
        Attempted to update project that is not loaded: /Users/Flickso/mirrormirroronthewall/Assembly-CSharp.csproj
[fail]: OmniSharp.MSBuild.ProjectManager
        Attempted to update project that is not loaded: /Users/Flickso/mirrormirroronthewall/Mirror.Examples.Cloud.Pong.csproj
[fail]: OmniSharp.MSBuild.ProjectManager
        Attempted to update project that is not loaded: /Users/Flickso/mirrormirroronthewall/Mirror.Tests.Common.csproj
[fail]: OmniSharp.MSBuild.ProjectManager
        Attempted to update project that is not loaded: /Users/Flickso/mirrormirroronthewall/Mirror.Tests.Performance.Runtime.csproj
[fail]: OmniSharp.MSBuild.ProjectManager
        Attempted to update project that is not loaded: /Users/Flickso/mirrormirroronthewall/Mirror.Authenticators.csproj
[fail]: OmniSharp.MSBuild.ProjectManager
        Attempted to update project that is not loaded: /Users/Flickso/mirrormirroronthewall/Mirror.example.RigidbodyPhysics.csproj
[fail]: OmniSharp.MSBuild.ProjectManager
        Attempted to update project that is not loaded: /Users/Flickso/mirrormirroronthewall/Mirror.Tests.csproj
[fail]: OmniSharp.MSBuild.ProjectManager
        Attempted to update project that is not loaded: /Users/Flickso/mirrormirroronthewall/Mirror.Weaver.csproj
[fail]: OmniSharp.MSBuild.ProjectManager
        Attempted to update project that is not loaded: /Users/Flickso/mirrormirroronthewall/Mirror.Editor.csproj
[fail]: OmniSharp.MSBuild.ProjectManager
        Attempted to update project that is not loaded: /Users/Flickso/mirrormirroronthewall/Mirror.Tests.Performance.Editor.csproj
[fail]: OmniSharp.MSBuild.ProjectManager
        Attempted to update project that is not loaded: /Users/Flickso/mirrormirroronthewall/WeaverTestExtraAssembly.csproj
[fail]: OmniSharp.MSBuild.ProjectManager
        Attempted to update project that is not loaded: /Users/Flickso/mirrormirroronthewall/Mirror.CompilerSymbols.csproj
[fail]: OmniSharp.MSBuild.ProjectManager
        Attempted to update project that is not loaded: /Users/Flickso/mirrormirroronthewall/Mirror.Tests.Generated.csproj

Steps to reproduce

Load up VS code with C# extension

Expected behavior

Unity intellisense would work

Actual behavior

C# extension doesn’t work and (what I presume happens) is it messes up the unity intellisense

Issue Analytics

  • State:open
  • Created 3 years ago
  • Comments:7 (3 by maintainers)

github_iconTop GitHub Comments

3reactions
JoeRobichcommented, Sep 14, 2020

@Daytae I should have mentioned that you will need to set “omnisharp.useGlobalMono” to “always”.

0reactions
gilishocommented, Sep 28, 2020

Solved the problem for me as well! For those wondering where the setting omnisharp.useGlobalMono should be set: go to VSCode, click on Preferences > Settings, and then use the search bar to search for omnisharp.useGlobalMono. Then you should see the dropdown and set it to always. 😀

Read more comments on GitHub >

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