Intellisense (omnisharp) crashes after typing.

I posted this in the Visual Studio Code issues and they told me to post it here saying that it’s the C# extension’s issue. I basically try to use Intellisense and it crashes. I can use it for 1 second and then it crashes every time, giving me this error: “Unhandled Exception: System.NullReferenceException: Object reference not set to an instance of an object.” This error happens in every project & every script. I have already done an uninstall and reinstall. I have also tried different versions of Visual Studio Code. I have also tried 3 different versions of the C# extension.

I have also used the most recent version, and neither work (currently reverted to 1.23 to see if that fixed it, but nope).

This is my entire error log:

Starting OmniSharp server at 1/21/2022, 4:57:14 PM Target: c:\Users\nicep\Documents\Game Projects\Legend-Maker\Legend Maker\Legend Maker.sln

OmniSharp server started. Path: c:\Users\nicep.vscode\extensions\ms-dotnettools.csharp-1.23.17.omnisharp\1.38.1-beta.44\OmniSharp.exe PID: 9444

    Starting OmniSharp on Windows 6.2.9200.0 (x64)

    Checking the 'DOTNET_ROOT' environment variable to find a .NET SDK

    Using the 'dotnet' on the PATH.

    DotNetPath set to dotnet

    Located 1 MSBuild instance(s)
        1: StandAlone 17.0.0 - "c:\Users\nicep\.vscode\extensions\ms-dotnettools.csharp-1.23.17\.omnisharp\1.38.1-beta.44\.msbuild\Current\Bin"

    MSBUILD_EXE_PATH environment variable set to 'c:\Users\nicep\.vscode\extensions\ms-dotnettools.csharp-1.23.17\.omnisharp\1.38.1-beta.44\.msbuild\Current\Bin\MSBuild.exe'

    Registered MSBuild instance: StandAlone 17.0.0 - "c:\Users\nicep\.vscode\extensions\ms-dotnettools.csharp-1.23.17\.omnisharp\1.38.1-beta.44\.msbuild\Current\Bin"
        CscToolExe = csc.exe
        CscToolPath = c:\Users\nicep\.vscode\extensions\ms-dotnettools.csharp-1.23.17\.omnisharp\1.38.1-beta.44\.msbuild\Current\Bin\Roslyn
        MSBuildExtensionsPath = c:\Users\nicep\.vscode\extensions\ms-dotnettools.csharp-1.23.17\.omnisharp\1.38.1-beta.44\.msbuild
        MSBuildToolsPath = c:\Users\nicep\.vscode\extensions\ms-dotnettools.csharp-1.23.17\.omnisharp\1.38.1-beta.44\.msbuild\Current\Bin

    Invoking Workspace Options Provider: OmniSharp.Roslyn.CSharp.Services.CSharpFormattingWorkspaceOptionsProvider, Order: 0

    Invoking Workspace Options Provider: OmniSharp.Roslyn.CSharp.Services.Completion.CompletionOptionsProvider, Order: 0

    Invoking Workspace Options Provider: OmniSharp.Roslyn.CSharp.Services.RenameWorkspaceOptionsProvider, Order: 100

    Invoking Workspace Options Provider: OmniSharp.Roslyn.CSharp.Services.ImplementTypeWorkspaceOptionsProvider, Order: 110

    Invoking Workspace Options Provider: OmniSharp.Roslyn.CSharp.Services.BlockStructureWorkspaceOptionsProvider, Order: 140

    Detecting Cake files in 'c:\Users\nicep\Documents\Game Projects\Legend-Maker\Legend Maker'.

    Did not find any Cake files

    Detecting projects in 'c:\Users\nicep\Documents\Game Projects\Legend-Maker\Legend Maker\Legend Maker.sln'.

    Queue project update for 'c:\Users\nicep\Documents\Game Projects\Legend-Maker\Legend Maker\Assembly-CSharp.csproj'

    Detecting CSX files in 'c:\Users\nicep\Documents\Game Projects\Legend-Maker\Legend Maker'.

    Did not find any CSX files

    Configuration finished.

    Omnisharp server running using Stdio at location 'c:\Users\nicep\Documents\Game Projects\Legend-Maker\Legend Maker' on host 15756.

    Loading project: c:\Users\nicep\Documents\Game Projects\Legend-Maker\Legend Maker\Assembly-CSharp.csproj

    Successfully loaded project file 'c:\Users\nicep\Documents\Game Projects\Legend-Maker\Legend Maker\Assembly-CSharp.csproj'.

    Adding project 'c:\Users\nicep\Documents\Game Projects\Legend-Maker\Legend Maker\Assembly-CSharp.csproj'

    Update project: Assembly-CSharp

Received response for /quickinfo but could not find request. Received response for /v2/getcodeactions but could not find request. Received response for /v2/blockstructure but could not find request. Received response for /v2/getcodeactions but could not find request.

Unhandled Exception: System.NullReferenceException: Object reference not set to an instance of an object. at OmniSharp.Helpers.DiagnosticExtensions.<>c.<DistinctDiagnosticLocationsByProject>b__2_0(DocumentDiagnostics x) in D:\a\1\s\src\OmniSharp.Roslyn.CSharp\Helpers\DiagnosticExtensions.cs:line 38 at System.Linq.Enumerable.<SelectManyIterator>d__233.MoveNext() at System.Linq.Enumerable.WhereSelectEnumerableIterator2.MoveNext() at System.Linq.Lookup2.Create[TSource](IEnumerable1 source, Func2 keySelector, Func2 elementSelector, IEqualityComparer1 comparer) at System.Linq.GroupedEnumerable3.GetEnumerator() at System.Linq.Enumerable.WhereSelectEnumerableIterator2.MoveNext() at System.Linq.Enumerable.WhereEnumerableIterator1.MoveNext() at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.SerializeList(JsonWriter writer, IEnumerable values, JsonArrayContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty) at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.SerializeObject(JsonWriter writer, Object value, JsonObjectContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty) at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.SerializeObject(JsonWriter writer, Object value, JsonObjectContract contract, JsonProperty member, JsonContainerContract collectionContract, JsonProperty containerProperty) at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.Serialize(JsonWriter jsonWriter, Object value, Type objectType) at Newtonsoft.Json.JsonSerializer.SerializeInternal(JsonWriter jsonWriter, Object value, Type objectType) at Newtonsoft.Json.JsonConvert.SerializeObjectInternal(Object value, Type type, JsonSerializer jsonSerializer) at OmniSharp.Protocol.Packet.ToString() in D:\a\1\s\src\OmniSharp.Host\Protocol\Packet.cs:line 22 at System.IO.TextWriter.WriteLine(Object value) at System.IO.TextWriter.SyncTextWriter.WriteLine(Object value) at OmniSharp.Services.SharedTextWriter.ProcessWriteQueue() in D:\a\1\s\src\OmniSharp.Host\Services\SharedTextWriter.cs:line 48 at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state) at System.Threading.ThreadHelper.ThreadStart()

[GAGOSIAN84]

Same here. Yesterday was fine, but it omnisharp crashes today. Jan/22

[JoeRobich]

@dreammixgames I see you have omnisharp.path set to latest in your configuration. If you remove that and restart, do you see the same issue?