Error 0x88781109

Value: -2005397239 | 0x88781109 | 2289570057

What does it mean ?

DMUS_E_INVALIDOFFSET  
Wave chunks in DLS collection file are at incorrect offsets.
Value: 4361 | 0x1109 | 0b0001000100001001

Where does it come from ?

FACILITY_DIRECTMUSIC  
Direct Music (part of DirectX) - Audio
Value: 2168 | 0x878 | 0b100001111000

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