Error 0x887D0006

Value: -2005073914 | 0x887D0006 | 2289893382

What does it mean ?

APOERR_ALREADY_UNLOCKED  
APO is already in an unlocked state.
Value: 6 | 0x0006 | 0b0000000000000110

Where does it come from ?

FACILITY_DIRECT3D11_DEBUG  
Direct3D 11 Debug Mode
Value: 2173 | 0x87D | 0b100001111101

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