Error 0x80310000

Value: -2144272384 | 0x80310000 | 2150694912

What does it mean ?

FVE_E_LOCKED_VOLUME  
This drive is locked by BitLocker Drive Encryption. You must unlock this drive from Control Panel.
Value: 0 | 0x0000 | 0b0000000000000000

Where does it come from ?

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

Other Errors for FACILITY_FVE