textDocument/didChange - System.Collections.Generic.KeyNotFoundException

[FelesNoctis]

Describe the bug

[Error - 8:17:16 PM] Failed to handle request textDocument/didChange - System.Collections.Generic.KeyNotFoundException: The given key was not present in the dictionary.
   at System.Collections.Generic.Dictionary`2.get_Item(TKey key)
   at DarkId.Papyrus.Server.TextDocumentScriptTextProvider.Handle(DidChangeTextDocumentParams request, CancellationToken cancellationToken) in C:\projects\papyrus-lang\src\DarkId.Papyrus.Server\TextDocumentScriptTextProvider.cs:line 102
   at OmniSharp.Extensions.Embedded.MediatR.Internal.RequestHandlerWrapperImpl`2.<>c__DisplayClass0_0.<Handle>g__Handler|0()
   at OmniSharp.Extensions.LanguageServer.Server.Pipelines.ResolveCommandPipeline`2.<Handle>d__5.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd(Task task)
   at OmniSharp.Extensions.LanguageServer.Server.LspRequestRouter.<RouteNotification>d__10.MoveNext()

To Reproduce
Unsure, the trigger appears to be inconsistent. However I did notice it most often appearing after the script file has been saved, at which time every action that would modify the file's contents would throw this error. It also appeared to persist through closing and reopening the document's tab, and would sometimes continue even after closing and reopening the document through the recent files menu option. Opening the file manually seemed to reset the issue until the next instance, as did reloading VSCode's window.