I'm attempting to update/revise an existing music mod, and I'm getting the following errors


Exception filling window for MusicManager.Window_MusicManager: System.NullReferenceException: Object reference not set to an instance of an object
[Ref 91A9811] Duplicate stacktrace, see ref for original
(Filename: C:\buildslave\unity\build\Runtime/Export/Debug/Debug.bindings.h Line: 39)

GUI Error: You are pushing more GUIClips than you are popping. Make sure they are balanced.
(Filename: Line: 580)

Exception filling window for MusicManager.Window_MusicManager: System.NullReferenceException: Object reference not set to an instance of an object
[Ref 91A9811] Duplicate stacktrace, see ref for original
(Filename: C:\buildslave\unity\build\Runtime/Export/Debug/Debug.bindings.h Line: 39)

GUI Error: You are pushing more GUIClips than you are popping. Make sure they are balanced.
(Filename: Line: 580)

Mouse position stack is not empty. There were more calls to BeginScrollView than EndScrollView. Fixing.
(Filename: C:\buildslave\unity\build\Runtime/Export/Debug/Debug.bindings.h Line: 39)

Exception filling window for MusicManager.Window_MusicManager: System.NullReferenceException: Object reference not set to an instance of an object
[Ref 91A9811] Duplicate stacktrace, see ref for original
(Filename: C:\buildslave\unity\build\Runtime/Export/Debug/Debug.bindings.h Line: 39)

GUI Error: You are pushing more GUIClips than you are popping. Make sure they are balanced.
(Filename: Line: 580)

Exception filling window for MusicManager.Window_MusicManager: System.NullReferenceException: Object reference not set to an instance of an object
[Ref 91A9811] Duplicate stacktrace, see ref for original
(Filename: C:\buildslave\unity\build\Runtime/Export/Debug/Debug.bindings.h Line: 39)

GUI Error: You are pushing more GUIClips than you are popping. Make sure they are balanced.
(Filename: Line: 580)

Mouse position stack is not empty. There were more calls to BeginScrollView than EndScrollView. Fixing.
(Filename: C:\buildslave\unity\build\Runtime/Export/Debug/Debug.bindings.h Line: 39)

Exception filling window for MusicManager.Window_MusicManager: System.NullReferenceException: Object reference not set to an instance of an object
[Ref 91A9811] Duplicate stacktrace, see ref for original
(Filename: C:\buildslave\unity\build\Runtime/Export/Debug/Debug.bindings.h Line: 39)

GUI Error: You are pushing more GUIClips than you are popping. Make sure they are balanced.
(Filename: Line: 580)

Exception filling window for MusicManager.Window_MusicManager: System.NullReferenceException: Object reference not set to an instance of an object
[Ref 91A9811] Duplicate stacktrace, see ref for original
(Filename: C:\buildslave\unity\build\Runtime/Export/Debug/Debug.bindings.h Line: 39)

GUI Error: You are pushing more GUIClips than you are popping. Make sure they are balanced.
(Filename: Line: 580)

Mouse position stack is not empty. There were more calls to BeginScrollView than EndScrollView. Fixing.
(Filename: C:\buildslave\unity\build\Runtime/Export/Debug/Debug.bindings.h Line: 39)

Exception filling window for MusicManager.Window_MusicManager: System.NullReferenceException: Object reference not set to an instance of an object
[Ref 91A9811] Duplicate stacktrace, see ref for original
(Filename: C:\buildslave\unity\build\Runtime/Export/Debug/Debug.bindings.h Line: 39)

GUI Error: You are pushing more GUIClips than you are popping. Make sure they are balanced.
(Filename: Line: 580)

Exception filling window for MusicManager.Window_MusicManager: System.NullReferenceException: Object reference not set to an instance of an object
[Ref 91A9811] Duplicate stacktrace, see ref for original
(Filename: C:\buildslave\unity\build\Runtime/Export/Debug/Debug.bindings.h Line: 39)

GUI Error: You are pushing more GUIClips than you are popping. Make sure they are balanced.
(Filename: Line: 580)

Mouse position stack is not empty. There were more calls to BeginScrollView than EndScrollView. Fixing.
(Filename: C:\buildslave\unity\build\Runtime/Export/Debug/Debug.bindings.h Line: 39)

Exception filling window for MusicManager.Window_MusicManager: System.NullReferenceException: Object reference not set to an instance of an object
[Ref 91A9811] Duplicate stacktrace, see ref for original
(Filename: C:\buildslave\unity\build\Runtime/Export/Debug/Debug.bindings.h Line: 39)

GUI Error: You are pushing more GUIClips than you are popping. Make sure they are balanced.
(Filename: Line: 580)

Exception filling window for MusicManager.Window_MusicManager: System.NullReferenceException: Object reference not set to an instance of an object
[Ref 91A9811] Duplicate stacktrace, see ref for original
(Filename: C:\buildslave\unity\build\Runtime/Export/Debug/Debug.bindings.h Line: 39)

GUI Error: You are pushing more GUIClips than you are popping. Make sure they are balanced.
(Filename: Line: 580)

Mouse position stack is not empty. There were more calls to BeginScrollView than EndScrollView. Fixing.
(Filename: C:\buildslave\unity\build\Runtime/Export/Debug/Debug.bindings.h Line: 39)

Exception filling window for MusicManager.Window_MusicManager: System.NullReferenceException: Object reference not set to an instance of an object
[Ref 91A9811] Duplicate stacktrace, see ref for original
(Filename: C:\buildslave\unity\build\Runtime/Export/Debug/Debug.bindings.h Line: 39)

GUI Error: You are pushing more GUIClips than you are popping. Make sure they are balanced.
(Filename: Line: 580)

Exception filling window for MusicManager.Window_MusicManager: System.NullReferenceException: Object reference not set to an instance of an object
[Ref 91A9811] Duplicate stacktrace, see ref for original
(Filename: C:\buildslave\unity\build\Runtime/Export/Debug/Debug.bindings.h Line: 39).

On the player, only the first song in the mod shows, it lacks the situational configuration options, and it doesn't play.