Error when trying to use "check for null" refactoring -> System.InvalidOperationException : The item specified is not the element of a list.

[mchlstrng]

Visual Studio Version 17.14.12

System.InvalidOperationException : The item specified is not the element of a list.
at Microsoft.CodeAnalysis.CSharp.Syntax.SyntaxReplacer.NodeListEditor.Visit(SyntaxNode node)
at Microsoft.CodeAnalysis.CSharp.CSharpSyntaxRewriter.VisitGlobalStatement(GlobalStatementSyntax node)
at Microsoft.CodeAnalysis.CSharp.CSharpSyntaxRewriter.Visit(SyntaxNode node)
at Microsoft.CodeAnalysis.CSharp.Syntax.SyntaxReplacer.BaseListEditor.Visit(SyntaxNode node)
at Microsoft.CodeAnalysis.CSharp.CSharpSyntaxRewriter.VisitListElement[TNode](TNode node)
at Microsoft.CodeAnalysis.CSharp.CSharpSyntaxRewriter.VisitList[TNode](SyntaxList1 list) at Microsoft.CodeAnalysis.CSharp.Syntax.SyntaxReplacer.NodeListEditor.VisitList[TNode](SyntaxList1 list)
at Microsoft.CodeAnalysis.CSharp.CSharpSyntaxRewriter.VisitCompilationUnit(CompilationUnitSyntax node)
at Microsoft.CodeAnalysis.CSharp.CSharpSyntaxRewriter.Visit(SyntaxNode node)
at Microsoft.CodeAnalysis.CSharp.Syntax.SyntaxReplacer.BaseListEditor.Visit(SyntaxNode node)
at Microsoft.CodeAnalysis.CSharp.CSharpSyntaxNode.InsertNodesInListCore(SyntaxNode nodeInList,IEnumerable1 nodesToInsert,Boolean insertBefore) at Microsoft.CodeAnalysis.SyntaxNodeExtensions.InsertNodesAfter[TRoot](TRoot root,SyntaxNode nodeInList,IEnumerable1 newNodes)
at async Roslynator.WorkspaceExtensions.InsertNodesAfterAsync()
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at async Roslynator.CSharp.Refactorings.CheckExpressionForNullRefactoring.RefactorAsync()
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at async Microsoft.CodeAnalysis.CodeActions.CodeAction.GetChangedSolutionAsync()
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at async Microsoft.CodeAnalysis.CodeActions.CodeAction.ComputeOperationsAsync()
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at async Microsoft.CodeAnalysis.CodeActions.CodeAction.ComputePreviewOperationsAsync()
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at async Microsoft.CodeAnalysis.CodeActions.CodeAction.DocumentChangeAction.ComputePreviewOperationsAsync()
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at async Microsoft.CodeAnalysis.CodeActions.CodeAction.GetPreviewOperationsAsync()
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at async Microsoft.CodeAnalysis.Editor.Implementation.Suggestions.SuggestedAction.GetPreviewOperationsAsync()
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at async Microsoft.CodeAnalysis.Editor.Implementation.Suggestions.SuggestedAction.GetPreviewResultAsync()
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at async Microsoft.CodeAnalysis.Editor.Implementation.Suggestions.SuggestedActionWithNestedFlavors.<>c__DisplayClass16_0.b__0()
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at async Microsoft.CodeAnalysis.Extensions.IExtensionManagerExtensions.PerformFunctionAsyncT

[josefpihrt]

Hi, could you please provide a code and location where this bug is occurring?

[mchlstrng]

In Program.cs in a web application if I want to check configValue variable for null:

var builder = WebApplication.CreateBuilder(args);

// Add services to the container.
builder.Services.AddRazorComponents()
    .AddInteractiveServerComponents();

var configValue = builder.Configuration["Test"];

[josefpihrt]

Are these top-level statements?

[mchlstrng]

Are these top-level statements?

Yes