Error 0x88781226

Value: -2005396954 | 0x88781226 | 2289570342

What does it mean ?

DMUS_E_AUDIOPATHS_NOT_VALID  
Audio paths are invalid because pchannels have been set.
Value: 4646 | 0x1226 | 0b0001001000100110

Where does it come from ?

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

Other Errors for FACILITY_DIRECTMUSIC