Error when launching mame games

[Former user]

he given key was not present in the dictionary.

App: LaunchBox Version: 7.16 Type: System.Collections.Generic.KeyNotFoundException Site: System.Object MarshaledInvoke(System.Windows.Forms.Control, System.Delegate, System.Object[], Boolean) Source: System.Windows.Forms

at System.Windows.Forms.Control.MarshaledInvoke(Control caller, Delegate method, Object[] args, Boolean synchronous) at System.Windows.Forms.Control.Invoke(Delegate method, Object[] args) at (<>c__DisplayClass142_0 ) at Unbroken.LaunchBox.Desktop.Forms.MainForm.<>c__DisplayClass142_0.<playButton_Click>b__1() 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.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state) at System.Threading.ThreadHelper.ThreadStart()

Recent Log:

11:45:03 PM GameDetailsGui.RedrawDetails Before ShowDetailFileName 11:45:03 PM GameDetailsGui.RedrawDetails Before ShowDetailCustomFields 11:45:03 PM GameDetailsGui.RedrawDetails Before ShowDetailLastPlayed 11:45:03 PM GameDetailsGui.RedrawDetails Before ShowDetailNotes 11:45:03 PM GameDetailsGui.RedrawDetails Before ShowDetailDates 11:45:03 PM GameDetailsGui.RedrawDetails End 11:45:03 PM Music.Play Start 11:45:03 PM Music.Kill Start 11:45:03 PM Music.Kill Finished 11:45:03 PM Music.Play Empty Music Path 11:45:03 PM Music.NotifyTrackList Start 11:45:03 PM Music.NotifyTrackList Invoke 11:45:07 PM GameDetailsGui.RedrawDetails Start 11:45:08 PM GameDetailsGui.RedrawDetails Before ShowDetailRating 11:45:08 PM GameDetailsGui.RedrawDetails Before ShowDetailFileName 11:45:08 PM GameDetailsGui.RedrawDetails Before ShowDetailCustomFields 11:45:08 PM GameDetailsGui.RedrawDetails Before ShowDetailLastPlayed 11:45:08 PM GameDetailsGui.RedrawDetails Before ShowDetailNotes 11:45:08 PM GameDetailsGui.RedrawDetails Before ShowDetailDates 11:45:08 PM GameDetailsGui.RedrawDetails End 11:45:08 PM Music.Play Start 11:45:08 PM Music.Kill Start 11:45:08 PM Music.Kill Finished 11:45:08 PM Music.Play Empty Music Path 11:45:08 PM Music.NotifyTrackList Start 11:45:08 PM Music.NotifyTrackList Invoke 11:45:12 PM Music.Pause Start 11:45:13 PM GameDetailsGui.RedrawDetails Start 11:45:13 PM GameDetailsGui.RedrawDetails Before ShowDetailRating 11:45:13 PM GameDetailsGui.RedrawDetails Before ShowDetailFileName 11:45:13 PM GameDetailsGui.RedrawDetails Before ShowDetailCustomFields 11:45:13 PM GameDetailsGui.RedrawDetails Before ShowDetailLastPlayed 11:45:13 PM GameDetailsGui.RedrawDetails Before ShowDetailNotes 11:45:13 PM GameDetailsGui.RedrawDetails Before ShowDetailDates 11:45:13 PM GameDetailsGui.RedrawDetails End 11:45:13 PM Music.Prepare Start 11:45:13 PM Music.Kill Start 11:45:13 PM Music.Kill Finished 11:45:13 PM Music.NotifyTrackList Start 11:45:13 PM Music.NotifyTrackList Invoke 11:45:53 PM Music.Pause Start 11:45:53 PM GameDetailsGui.RedrawDetails Start 11:45:53 PM GameDetailsGui.RedrawDetails Before ShowDetailRating 11:45:53 PM GameDetailsGui.RedrawDetails Before ShowDetailFileName 11:45:53 PM GameDetailsGui.RedrawDetails Before ShowDetailCustomFields 11:45:53 PM GameDetailsGui.RedrawDetails Before ShowDetailLastPlayed 11:45:53 PM GameDetailsGui.RedrawDetails Before ShowDetailNotes 11:45:53 PM GameDetailsGui.RedrawDetails Before ShowDetailDates 11:45:53 PM GameDetailsGui.RedrawDetails End 11:45:54 PM Music.Play Start 11:45:54 PM Music.Kill Start 11:45:54 PM Music.Kill Finished 11:45:54 PM Music.Play Empty Music Path 11:45:54 PM Music.NotifyTrackList Start 11:45:54 PM Music.NotifyTrackList Invoke 11:45:57 PM Exception