PageExt crashes the extension

[Groenbech96]

Repo:
Open Payables Agent app, download symbols, create page ext, and then it crashes.

Error - 1:31:10 PM] Please report this issue to https://github.com/microsoft/al/issues including information on how to reproduce it, if possible.
Processing of message 'textDocument/completion' failed with error: 'An unexpected error happened when processing the document 'c:/repos/NAV2/App/Internal/apps/PayablesAgent/app/Extensions/PAPurchaseInvoiceList.PageExt.al' at position 'Line: 34 - Character: 13'. Left token: '{'. Target token: '{'. Right token: 'group'.
Exception details: System.ArgumentOutOfRangeException: Node span: 0-0, position: 1272 (Parameter 'position')
at Microsoft.Dynamics.Nav.CodeAnalysis.SyntaxNode.FindToken(Int32 position, Func2 findInsideTrivia) in X:\source\Prod\Microsoft.Dynamics.Nav.CodeAnalysis\Syntax\SyntaxNode.cs:line 1206 at Microsoft.Dynamics.Nav.CodeAnalysis.Workspaces.Completion.MemberSyntaxContext.CreateContext(Workspace workspace, SemanticModel semanticModel, Int32 position, CancellationToken cancellationToken) in X:\source\Prod\Microsoft.Dynamics.Nav.CodeAnalysis.Workspaces\Completion\ContextQuery\MemberSyntaxContext.cs:line 181 at Microsoft.Dynamics.Nav.CodeAnalysis.Workspaces.Completion.CompletionProvider.CreateMemberContextAsync(Document document, Int32 position, CancellationToken cancellationToken) in X:\source\Prod\Microsoft.Dynamics.Nav.CodeAnalysis.Workspaces\Completion\Providers\CompletionProvider.cs:line 86 at Microsoft.Dynamics.Nav.CodeAnalysis.Workspaces.Completion.AbstractSymbolCompletionProvider.GetPerContextSymbols(Document document, Int32 position, OptionSet options, IEnumerable1 relatedDocuments, Boolean preselect, CancellationToken cancellationToken) in X:\source\Prod\Microsoft.Dynamics.Nav.CodeAnalysis.Workspaces\Completion\Providers\AbstractSymbolCompletionProvider.cs:line 280
at Microsoft.Dynamics.Nav.CodeAnalysis.Workspaces.Completion.AbstractSymbolCompletionProvider.GetItemsWorkerAsync(Document document, AbstractSyntaxContext context, TextSpan span, OptionSet options, Boolean preselect, CancellationToken cancellationToken) in X:\source\Prod\Microsoft.Dynamics.Nav.CodeAnalysis.Workspaces\Completion\Providers\AbstractSymbolCompletionProvider.cs:line 231
at Microsoft.Dynamics.Nav.CodeAnalysis.Workspaces.Completion.AbstractSymbolCompletionProvider.ProvideCompletionsAsync(CompletionContext context, AbstractSyntaxContext memberSyntaxContext) in X:\source\Prod\Microsoft.Dynamics.Nav.CodeAnalysis.Workspaces\Completion\Providers\AbstractSymbolCompletionProvider.cs:line 210
at Microsoft.Dynamics.Nav.CodeAnalysis.Workspaces.Completion.CompletionServiceWithProviders.GetContextAsync(CompletionProvider provider, Document document, Int32 position, CompletionTrigger triggerInfo, OptionSet options, Nullable1 defaultSpan, CancellationToken cancellationToken) in X:\source\Prod\Microsoft.Dynamics.Nav.CodeAnalysis.Workspaces\Completion\CompletionServiceWithProviders.cs:line 390 at Microsoft.Dynamics.Nav.CodeAnalysis.Workspaces.Completion.CompletionServiceWithProviders.GetCompletionsAsync(Document document, Int32 caretPosition, CompletionTrigger trigger, ImmutableHashSet1 roles, OptionSet options, CancellationToken cancellationToken) in X:\source\Prod\Microsoft.Dynamics.Nav.CodeAnalysis.Workspaces\Completion\CompletionServiceWithProviders.cs:line 189"'
Details:
Microsoft.Dynamics.Nav.CodeAnalysis.Workspaces.Completion.CompletionException: An unexpected error happened when processing the document 'c:/repos/NAV2/App/Internal/apps/PayablesAgent/app/Extensions/PAPurchaseInvoiceList.PageExt.al' at position 'Line: 34 - Character: 13'. Left token: '{'. Target token: '{'. Right token: 'group'.
Exception details: System.ArgumentOutOfRangeException: Node span: 0-0, position: 1272 (Parameter 'position')
at Microsoft.Dynamics.Nav.CodeAnalysis.SyntaxNode.FindToken(Int32 position, Func2 findInsideTrivia) in X:\source\Prod\Microsoft.Dynamics.Nav.CodeAnalysis\Syntax\SyntaxNode.cs:line 1206 at Microsoft.Dynamics.Nav.CodeAnalysis.Workspaces.Completion.MemberSyntaxContext.CreateContext(Workspace workspace, SemanticModel semanticModel, Int32 position, CancellationToken cancellationToken) in X:\source\Prod\Microsoft.Dynamics.Nav.CodeAnalysis.Workspaces\Completion\ContextQuery\MemberSyntaxContext.cs:line 181 at Microsoft.Dynamics.Nav.CodeAnalysis.Workspaces.Completion.CompletionProvider.CreateMemberContextAsync(Document document, Int32 position, CancellationToken cancellationToken) in X:\source\Prod\Microsoft.Dynamics.Nav.CodeAnalysis.Workspaces\Completion\Providers\CompletionProvider.cs:line 86 at Microsoft.Dynamics.Nav.CodeAnalysis.Workspaces.Completion.AbstractSymbolCompletionProvider.GetPerContextSymbols(Document document, Int32 position, OptionSet options, IEnumerable1 relatedDocuments, Boolean preselect, CancellationToken cancellationToken) in X:\source\Prod\Microsoft.Dynamics.Nav.CodeAnalysis.Workspaces\Completion\Providers\AbstractSymbolCompletionProvider.cs:line 280
at Microsoft.Dynamics.Nav.CodeAnalysis.Workspaces.Completion.AbstractSymbolCompletionProvider.GetItemsWorkerAsync(Document document, AbstractSyntaxContext context, TextSpan span, OptionSet options, Boolean preselect, CancellationToken cancellationToken) in X:\source\Prod\Microsoft.Dynamics.Nav.CodeAnalysis.Workspaces\Completion\Providers\AbstractSymbolCompletionProvider.cs:line 231
at Microsoft.Dynamics.Nav.CodeAnalysis.Workspaces.Completion.AbstractSymbolCompletionProvider.ProvideCompletionsAsync(CompletionContext context, AbstractSyntaxContext memberSyntaxContext) in X:\source\Prod\Microsoft.Dynamics.Nav.CodeAnalysis.Workspaces\Completion\Providers\AbstractSymbolCompletionProvider.cs:line 210
at Microsoft.Dynamics.Nav.CodeAnalysis.Workspaces.Completion.CompletionServiceWithProviders.GetContextAsync(CompletionProvider provider, Document document, Int32 position, CompletionTrigger triggerInfo, OptionSet options, Nullable1 defaultSpan, CancellationToken cancellationToken) in X:\source\Prod\Microsoft.Dynamics.Nav.CodeAnalysis.Workspaces\Completion\CompletionServiceWithProviders.cs:line 390 at Microsoft.Dynamics.Nav.CodeAnalysis.Workspaces.Completion.CompletionServiceWithProviders.GetCompletionsAsync(Document document, Int32 caretPosition, CompletionTrigger trigger, ImmutableHashSet1 roles, OptionSet options, CancellationToken cancellationToken) in X:\source\Prod\Microsoft.Dynamics.Nav.CodeAnalysis.Workspaces\Completion\CompletionServiceWithProviders.cs:line 189"
at Microsoft.Dynamics.Nav.CodeAnalysis.Workspaces.Completion.CompletionServiceWithProviders.GetCompletionsAsync(Document document, Int32 caretPosition, CompletionTrigger trigger, ImmutableHashSet1 roles, OptionSet options, CancellationToken cancellationToken) in X:\source\Prod\Microsoft.Dynamics.Nav.CodeAnalysis.Workspaces\Completion\CompletionServiceWithProviders.cs:line 205 at Microsoft.Dynamics.Nav.EditorServices.Protocol.LanguageServer.CompletionRequestHandler.HandleAsync(CompletionRequest request, Int32 requestId, CancellationToken cancellationToken) in X:\source\Prod\Microsoft.Dynamics.Nav.EditorServices.Protocol\LanguageServer\CompletionRequestHandler.cs:line 57 at Microsoft.Dynamics.Nav.EditorServices.Protocol.MessageProtocol.RequestHandlerBase1.HandleAsync(JToken requestContents, Int32 requestId, CancellationToken cancellationToken) in X:\source\Prod\Microsoft.Dynamics.Nav.EditorServices.Protocol\MessageProtocol\RequestHandlerBase.cs:line 85
at Microsoft.Dynamics.Nav.EditorServices.Protocol.RequestRegistry.Process(Message message) in X:\source\Prod\Microsoft.Dynamics.Nav.EditorServices.Protocol\Endpoints\RequestRegistry.cs:line 84