Launchbox Bug

[ClassyProductions “ClassyProductions”]

I don't know what I did, but I'm using Launchbox version 8.5 and I got this random error:

Collection was modified; enumeration operation may not execute.

App: LaunchBox Version: 8.5 Type: System.InvalidOperationException Site: Void ThrowInvalidOperationException(System.ExceptionResource) Source: mscorlib

at System.ThrowHelper.ThrowInvalidOperationException(ExceptionResource resource) at System.Collections.Generic.List`1.Enumerator.MoveNextRare() at (<>c__DisplayClass62_0 , Object ) at Unbroken.LaunchBox.Desktop.Next.ViewModels.ContentViewModelBase.<>c__DisplayClass62_0.<ShowMenu>b__0(Object state) at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) at System.Threading.QueueUserWorkItemCallback.System.Threading.IThreadPoolWorkItem.ExecuteWorkItem() at System.Threading.ThreadPoolWorkQueue.Dispatch()

Recent Log:

11:52:38 AM Music.Prepare Start 11:52:39 AM Music.Kill Start 11:52:39 AM Music.Kill Finished 11:52:39 AM Music.NotifyTrackList Start 11:52:39 AM Music.NotifyTrackList Invoke WPF 11:53:02 AM Music.Play Start 11:53:02 AM Music.Kill Start 11:53:02 AM Music.Kill Finished 11:53:02 AM Music.Play Empty Music Path 11:53:02 AM Music.NotifyTrackList Start 11:53:02 AM Music.NotifyTrackList Invoke WPF 11:53:05 AM Music.Play Start 11:53:05 AM Music.Kill Start 11:53:05 AM Music.Kill Finished 11:53:05 AM Music.Play Empty Music Path 11:53:05 AM Music.NotifyTrackList Start 11:53:05 AM Music.NotifyTrackList Invoke WPF 11:53:06 AM Music.Play Start 11:53:06 AM Music.Kill Start 11:53:06 AM Music.Kill Finished 11:53:06 AM Music.Play Empty Music Path 11:53:06 AM Music.NotifyTrackList Start 11:53:06 AM Music.NotifyTrackList Invoke WPF 11:53:23 AM Music.Play Start 11:53:23 AM Music.Kill Start 11:53:23 AM Music.Kill Finished 11:53:23 AM Music.Play Empty Music Path 11:53:23 AM Music.NotifyTrackList Start 11:53:23 AM Music.NotifyTrackList Invoke WPF 11:53:30 AM Music.Play Start 11:53:30 AM Music.Kill Start 11:53:30 AM Music.Kill Finished 11:53:30 AM Music.Play Empty Music Path 11:53:30 AM Music.NotifyTrackList Start 11:53:30 AM Music.NotifyTrackList Invoke WPF 11:53:33 AM Music.Play Start 11:53:33 AM Music.Kill Start 11:53:33 AM Music.Kill Finished 11:53:33 AM Music.Play Empty Music Path 11:53:33 AM Music.NotifyTrackList Start 11:53:33 AM Music.NotifyTrackList Invoke WPF 11:53:33 AM Exception