Error 0x88780032

Value: -2005401550 | 0x88780032 | 2289565746

What does it mean ?

DSERR_INVALIDCALL  
The call is not valid for the current state of this object.
Value: 50 | 0x0032 | 0b0000000000110010

Where does it come from ?

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

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