Onmisharp Error - no intellisense in Code or insiders

From @solrevdev on June 18, 2018 11:16

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Issue Type: Bug

[warn]: OmniSharp.MSBuild.ProjectManager
        Failed to load project file '/Users/solrevdev/Projects/fridgeswag/web/web.csproj'.
/Users/solrevdev/Projects/fridgeswag/web/web.csproj(1,1)
Microsoft.Build.Exceptions.InvalidProjectFileException: The imported project "/usr/local/Cellar/mono/5.12.0.226/lib/mono/xbuild/15.0/Microsoft.Common.props" was not found. Also, tried to find "15.0/Microsoft.Common.props" in the fallback search path(s) for $(MSBuildExtensionsPath) - "/Library/Frameworks/Mono.framework/External/xbuild/" . These search paths are defined in "/Users/solrevdev/.vscode-insiders/extensions/ms-vscode.csharp-1.15.2/.omnisharp/1.30.1/omnisharp/OmniSharp.exe.config". Confirm that the path in the <Import> declaration is correct, and that the file exists on disk in one of the search paths.  /usr/local/share/dotnet/sdk/2.1.300/Sdks/Microsoft.NET.Sdk/Sdk/Sdk.props
  at Microsoft.Build.Shared.ProjectErrorUtilities.ThrowInvalidProject (System.String errorSubCategoryResourceName, Microsoft.Build.Shared.IElementLocation elementLocation, System.String resourceName, System.Object[] args) [0x00042] in <61115f75067146fab35b10183e6ee379>:0 
  at Microsoft.Build.Shared.ProjectErrorUtilities.ThrowInvalidProject (Microsoft.Build.Shared.IElementLocation elementLocation, System.String resourceName, System.Object[] args) [0x00000] in <61115f75067146fab35b10183e6ee379>:0 
  at Microsoft.Build.Evaluation.Evaluator`4[P,I,M,D].ThrowForImportedProjectWithSearchPathsNotFound (Microsoft.Build.Evaluation.ProjectImportPathMatch searchPathMatch, Microsoft.Build.Construction.ProjectImportElement importElement) [0x000a2] in <61115f75067146fab35b10183e6ee379>:0 
  at Microsoft.Build.Evaluation.Evaluator`4[P,I,M,D].ExpandAndLoadImports (System.String directoryOfImportingFile, Microsoft.Build.Construction.ProjectImportElement importElement) [0x001be] in <61115f75067146fab35b10183e6ee379>:0 
  at Microsoft.Build.Evaluation.Evaluator`4[P,I,M,D].EvaluateImportElement (System.String directoryOfImportingFile, Microsoft.Build.Construction.ProjectImportElement importElement) [0x0000d] in <61115f75067146fab35b10183e6ee379>:0 
  at Microsoft.Build.Evaluation.Evaluator`4[P,I,M,D].PerformDepthFirstPass (Microsoft.Build.Construction.ProjectRootElement currentProjectOrImport) [0x00209] in <61115f75067146fab35b10183e6ee379>:0 
  at Microsoft.Build.Evaluation.Evaluator`4[P,I,M,D].EvaluateImportElement (System.String directoryOfImportingFile, Microsoft.Build.Construction.ProjectImportElement importElement) [0x0003a] in <61115f75067146fab35b10183e6ee379>:0 
  at Microsoft.Build.Evaluation.Evaluator`4[P,I,M,D].PerformDepthFirstPass (Microsoft.Build.Construction.ProjectRootElement currentProjectOrImport) [0x00209] in <61115f75067146fab35b10183e6ee379>:0 
  at Microsoft.Build.Evaluation.Evaluator`4[P,I,M,D].EvaluateImportElement (System.String directoryOfImportingFile, Microsoft.Build.Construction.ProjectImportElement importElement) [0x0003a] in <61115f75067146fab35b10183e6ee379>:0 
  at Microsoft.Build.Evaluation.Evaluator`4[P,I,M,D].PerformDepthFirstPass (Microsoft.Build.Construction.ProjectRootElement currentProjectOrImport) [0x000e6] in <61115f75067146fab35b10183e6ee379>:0 
  at Microsoft.Build.Evaluation.Evaluator`4[P,I,M,D].Evaluate (Microsoft.Build.BackEnd.Logging.ILoggingService loggingService, Microsoft.Build.Framework.BuildEventContext buildEventContext) [0x000f8] in <61115f75067146fab35b10183e6ee379>:0 
  at Microsoft.Build.Evaluation.Evaluator`4[P,I,M,D].Evaluate (Microsoft.Build.Evaluation.IEvaluatorData`4[P,I,M,D] data, Microsoft.Build.Construction.ProjectRootElement root, Microsoft.Build.Evaluation.ProjectLoadSettings loadSettings, System.Int32 maxNodeCount, Microsoft.Build.Collections.PropertyDictionary`1[T] environmentProperties, Microsoft.Build.BackEnd.Logging.ILoggingService loggingService, Microsoft.Build.Evaluation.IItemFactory`2[S,T] itemFactory, Microsoft.Build.Evaluation.IToolsetProvider toolsetProvider, Microsoft.Build.Evaluation.ProjectRootElementCache projectRootElementCache, Microsoft.Build.Framework.BuildEventContext buildEventContext, Microsoft.Build.Execution.ProjectInstance projectInstanceIfAnyForDebuggerOnly, Microsoft.Build.BackEnd.SdkResolution.ISdkResolverService sdkResolverService, System.Int32 submissionId) [0x00018] in <61115f75067146fab35b10183e6ee379>:0 
  at Microsoft.Build.Evaluation.Project.Reevaluate (Microsoft.Build.BackEnd.Logging.ILoggingService loggingServiceForEvaluation, Microsoft.Build.Evaluation.ProjectLoadSettings loadSettings) [0x00046] in <61115f75067146fab35b10183e6ee379>:0 
  at Microsoft.Build.Evaluation.Project.ReevaluateIfNecessary (Microsoft.Build.BackEnd.Logging.ILoggingService loggingServiceForEvaluation, Microsoft.Build.Evaluation.ProjectLoadSettings loadSettings) [0x00034] in <61115f75067146fab35b10183e6ee379>:0 
  at Microsoft.Build.Evaluation.Project.ReevaluateIfNecessary (Microsoft.Build.BackEnd.Logging.ILoggingService loggingServiceForEvaluation) [0x00000] in <61115f75067146fab35b10183e6ee379>:0 
  at Microsoft.Build.Evaluation.Project.ReevaluateIfNecessary () [0x00007] in <61115f75067146fab35b10183e6ee379>:0 
  at Microsoft.Build.Evaluation.Project.Initialize (System.Collections.Generic.IDictionary`2[TKey,TValue] globalProperties, System.String toolsVersion, System.String subToolsetVersion, Microsoft.Build.Evaluation.ProjectLoadSettings loadSettings) [0x00126] in <61115f75067146fab35b10183e6ee379>:0 
  at Microsoft.Build.Evaluation.Project..ctor (System.String projectFile, System.Collections.Generic.IDictionary`2[TKey,TValue] globalProperties, System.String toolsVersion, System.String subToolsetVersion, Microsoft.Build.Evaluation.ProjectCollection projectCollection, Microsoft.Build.Evaluation.ProjectLoadSettings loadSettings) [0x0009c] in <61115f75067146fab35b10183e6ee379>:0 
  at Microsoft.Build.Evaluation.Project..ctor (System.String projectFile, System.Collections.Generic.IDictionary`2[TKey,TValue] globalProperties, System.String toolsVersion, Microsoft.Build.Evaluation.ProjectCollection projectCollection, Microsoft.Build.Evaluation.ProjectLoadSettings loadSettings) [0x00000] in <61115f75067146fab35b10183e6ee379>:0 
  at Microsoft.Build.Evaluation.Project..ctor (System.String projectFile, System.Collections.Generic.IDictionary`2[TKey,TValue] globalProperties, System.String toolsVersion, Microsoft.Build.Evaluation.ProjectCollection projectCollection) [0x00000] in <61115f75067146fab35b10183e6ee379>:0 
  at Microsoft.Build.Evaluation.ProjectCollection.LoadProject (System.String fileName, System.Collections.Generic.IDictionary`2[TKey,TValue] globalProperties, System.String toolsVersion) [0x000f5] in <61115f75067146fab35b10183e6ee379>:0 
  at Microsoft.Build.Evaluation.ProjectCollection.LoadProject (System.String fileName, System.String toolsVersion) [0x00000] in <61115f75067146fab35b10183e6ee379>:0 
  at OmniSharp.MSBuild.ProjectLoader.EvaluateProjectFileCore (System.String filePath) [0x0003e] in <64f2a38974d54ecaaa93e3697628b738>:0 
  at OmniSharp.MSBuild.ProjectLoader.BuildProject (System.String filePath) [0x0000d] in <64f2a38974d54ecaaa93e3697628b738>:0 
  at OmniSharp.MSBuild.ProjectFile.ProjectFileInfo.Load (System.String filePath, OmniSharp.MSBuild.ProjectLoader loader) [0x00014] in <64f2a38974d54ecaaa93e3697628b738>:0 
  at OmniSharp.MSBuild.ProjectManager+<>c__DisplayClass23_0.<LoadProject>b__0 () [0x00000] in <64f2a38974d54ecaaa93e3697628b738>:0 
  at (wrapper delegate-invoke) System.Func`1[System.ValueTuple`2[OmniSharp.MSBuild.ProjectFile.ProjectFileInfo,System.Collections.Immutable.ImmutableArray`1[OmniSharp.MSBuild.Logging.MSBuildDiagnostic]]].invoke_TResult()
  at OmniSharp.MSBuild.ProjectManager.LoadOrReloadProject (System.String projectFilePath, System.Func`1[TResult] loadFunc) [0x0001b] in <64f2a38974d54ecaaa93e3697628b738>:0 

VS Code version: Code - Insiders 1.25.0-insider (c51cf862a9604dffe2e3e8792a4b0a45213869a3, 2018-06-18T08:41:23.700Z) OS version: Darwin x64 16.7.0

System Info

Item	Value
CPUs	Intel® Core™ i5-4278U CPU @ 2.60GHz (4 x 2600)
GPU Status	2d_canvas: enabled checker_imaging: disabled_off flash_3d: enabled flash_stage3d: enabled flash_stage3d_baseline: enabled gpu_compositing: enabled multiple_raster_threads: enabled_on native_gpu_memory_buffers: enabled rasterization: enabled video_decode: enabled video_encode: enabled webgl: enabled webgl2: enabled
Load (avg)	2, 2, 3
Memory (System)	16.00GB (3.96GB free)
Process Argv	/Applications/Visual Studio Code - Insiders.app/Contents/MacOS/Electron -psn_0_10459641
Screen Reader	no
VM	0%

Extensions (27)

Extension	Author (truncated)	Version
vscode-wakatime	Wak	1.2.2
html-css-class-completion	Zig	1.17.1
vscode-exports-autocomplete	cap	0.5.4
npm-intellisense	chr	1.3.0
vscode-markdownlint	Dav	0.18.0
vscode-eslint	dba	1.4.12
docs-markdown	doc	0.0.3
gitlens	eam	8.3.5
vscode-html-css	ecm	0.2.0
tslint	eg2	1.0.32
vsc-material-theme	Equ	2.1.0
prettier-vscode	esb	1.5.0
rest-client	hum	0.18.4
nuget-reverse-package-search	jes	0.1.68
vscode-nuget-package-manager	jmr	1.1.6
DocFX	ms-	0.1.3
python	ms-	2018.5.0
csharp	ms-	1.15.2
vsliveshare	ms-	0.3.295
debugger-for-chrome	msj	4.6.0
vscode-docker	Pet	0.0.27
polacode	pnp	0.2.2
quicktype	qui	10.0.24
LiveServer	rit	5.0.0
vscode-icons	rob	7.23.0
msbuild-project-tools	tin	0.2.39
JavaScriptSnippets	xab	1.6.0

Copied from original issue: Microsoft/vscode#52188

[DustinCampbell]

FWIW, you can install the Mono MDK via Homebrew which does include MSBuild: brew cask install mono-mdk

[rchande]

@solrevdev I’m glad you got this figured out–I’m going to close the issue, but feel free to add further comments or reopen.