microsoft / microsoft/vscode-dotnettools

Remove unnecessary usings fails on fix all on document

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#3,250 4 comments 0 reactions 2 assignees View on GitHub

@jasonmalinowski is already working on this.

Since Jun 26, 2026.

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Description

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See the "Sequence contains no elements" error notification

Details
2026-06-24 11:50:54.605 [error] [codeAction/resolveFixAll] [C#] [LSP] System.InvalidOperationException: Sequence contains no elements
   at System.Linq.ThrowHelper.ThrowNoElementsException()
   at System.Linq.Enumerable.First[TSource](IEnumerable`1 source)
   at Microsoft.CodeAnalysis.LanguageServer.Handler.CodeActions.CodeActionHelpers.GetFixAllActionsFromActionSet(SuggestedAction suggestedAction, ArrayBuilder`1 codeActions, String fixAllScope) in /_/src/LanguageServer/Protocol/Handler/CodeActions/CodeActionHelpers.cs:line 375
   at Microsoft.CodeAnalysis.LanguageServer.Handler.CodeActions.CodeActionHelpers.GetCodeActionsAsync(TextDocument document, Range selection, ICodeFixService codeFixService, ICodeRefactoringService codeRefactoringService, String fixAllScope, CancellationToken cancellationToken) in /_/src/LanguageServer/Protocol/Handler/CodeActions/CodeActionHelpers.cs:line 334
   at Microsoft.CodeAnalysis.LanguageServer.Handler.CodeActions.CodeActionFixAllResolveHandler.HandleRequestAsync(RoslynFixAllCodeAction request, RequestContext context, CancellationToken cancellationToken) in /_/src/LanguageServer/Protocol/Handler/CodeActions/CodeActionFixAllResolveHandler.cs:line 46
   at Microsoft.CommonLanguageServerProtocol.Framework.QueueItem`1.StartRequestAsync[TRequest,TResponse](TRequest request, TRequestContext context, IMethodHandler handler, CancellationToken cancellationToken)
2026-06-24 11:50:54.605 [error] Error making codeAction/resolveFixAll request Sequence contains no elements

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