TJAPlayer3 keeps crashing on GoGoGo after I downloaded Katsu-Chan skin

[pepperfigs]

Can you write a one-sentence description of the bug?

GoGoGo crashes my game after downloaded Katsu-Chan skin

What is the current behavior?

Works completely fine, crashes with an error report after GoGoGo starts (

code:

System.IndexOutOfRangeException: Index was outside the bounds of the array.
at TJAPlayer3.CAct演奏Drumsキャラクター.On進行描画()
at TJAPlayer3.CStageGameplayDrums.On進行描画()
at TJAPlayer3.TJAPlayer3.Draw(GameTime gameTime)
at SampleFramework.Game.DrawFrame() in C:\projects\tjaplayer3\FDK19\コード\01.フレームワーク\Core\Game.cs:line 499
at SampleFramework.Game.Tick() in C:\projects\tjaplayer3\FDK19\コード\01.フレームワーク\Core\Game.cs:line 375
at SampleFramework.Game.Application_Idle(Object sender, EventArgs e) in C:\projects\tjaplayer3\FDK19\コード\01.フレームワーク\Core\Game.cs:line 520
at System.Windows.Forms.Application.ThreadContext.System.Windows.Forms.UnsafeNativeMethods.IMsoComponent.FDoIdle(Int32 grfidlef)
at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(IntPtr dwComponentID, Int32 reason, Int32 pvLoopData)
at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)
at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)
at System.Windows.Forms.Application.Run(Form mainForm)
at SampleFramework.Game.Run() in C:\projects\tjaplayer3\FDK19\コード\01.フレームワーク\Core\Game.cs:line 260
at TJAPlayer3.Program.MainImpl()
at TJAPlayer3.ErrorReporting.ErrorReporter.WithErrorReporting(Action action)

Please provide the steps to reproduce and if possible a minimal demo of the problem.

Any song with GoGoGo in it (Kill my Fortune is a good one as it has a GoGoGo straight up at the beginning)
After it happens, Katsu does his backflip and it completely crashes

What is the expected behavior?

The simulator to proceed running after GoGoGo starts

Other information

If you can provide any additional information, please do. If small, feel free to paste the content into the issue. If larger, consider linking to a Gist or a downloadable file.