Crashed when I clicked "Scan for added ROMs/For All..."

[N S]

N/T

[N S]

The given key was not present in the dictionary.

App: LaunchBox Version: 8.6 Type: System.Collections.Generic.KeyNotFoundException Site: TValue get_Item(TKey) Source: mscorlib

at System.Collections.Concurrent.ConcurrentDictionary`2.get_Item(TKey key) at (ScanForAddedRomsForPlatformMenuAction , Object ) at Unbroken.LaunchBox.Desktop.MenuActions.ScanForAddedRomsForPlatformMenuAction.<OnSelect>b__2_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:

9:07:24 PM Music.Prepare Start 9:07:24 μμ Music.Kill Start 9:07:24 μμ Music.Kill Finished 9:07:24 μμ Music.NotifyTrackList Start 9:07:24 μμ Music.NotifyTrackList Invoke WPF 9:08:00 PM Music.Play Start 9:08:00 μμ Music.Kill Start 9:08:00 μμ Music.Kill Finished 9:08:00 μμ Music.Play Empty Music Path 9:08:00 μμ Music.NotifyTrackList Start 9:08:00 μμ Music.NotifyTrackList Invoke WPF 9:08:02 PM Music.Play Start 9:08:02 μμ Music.Kill Start 9:08:02 μμ Music.Kill Finished 9:08:02 μμ Music.Play Empty Music Path 9:08:02 μμ Music.NotifyTrackList Start 9:08:02 μμ Music.NotifyTrackList Invoke WPF 9:10:20 PM Exception