App crashes on "Add to compression queue"

[LorenzoVernazza]

As per title, app crashes while trying to add any game (regardless of compression type) to compression queue.
In the logs I see the following error:

2026-09-06T11:35:28.4404615+02:00  [FTL] Unhandled exception in application: "Sequence contains no matching element"
System.InvalidOperationException: Sequence contains no matching element
   at System.Linq.ThrowHelper.ThrowNoMatchException()
   at System.Linq.Enumerable.First[TSource](IEnumerable`1 source, Func`2 predicate)
   at CompactGUI.Core.SharedMethods.VerifyFolder(String folder)
   at CompactGUI.Helper.GetInvalidFolders(String[] folderPaths)
   at CompactGUI.HomeViewModel.AddFoldersAsync(IEnumerable`1 folderPaths)
   at CompactGUI.HomeViewModel.Receive(WatcherAddedFolderToQueueMessage message)
   at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__124_0(Object state)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.DispatcherOperation.InvokeImpl()
   at MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(Object obj)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
--- End of stack trace from previous location ---
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Windows.Threading.DispatcherOperation.Invoke()
   at System.Windows.Threading.Dispatcher.ProcessQueue()
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)