Error 0x8004021F

Value: -2147220961 | 0x8004021F | 2147746335

What does it mean ?

VFW_E_NO_COLOR_KEY_FOUND  
DirectShow: No matching color key is available.
Value: 543 | 0x021F | 0b0000001000011111
IMAPI_E_NOACTIVEFORMAT  
An active format master has not been selected using IDiscMaster::SetActiveDiscMasterFormat.
Value: 543 | 0x021F | 0b0000001000011111

Where does it come from ?

FACILITY_ITF  
COM/OLE Interface management. FACILITY_ITF is designated for user-defined error codes returned from interface methods
Value: 4 | 0x004 | 0b00000100

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