Error 0x8031001F

Value: -2144272353 | 0x8031001F | 2150694943

What does it mean ?

FVE_E_VOLUME_BOUND_ALREADY  
The drive specified is already configured to be automatically unlocked on the current computer.
Value: 31 | 0x001F | 0b0000000000011111

Where does it come from ?

FACILITY_FVE  
Full volume encryption
Value: 49 | 0x031 | 0b00110001

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