Error 0x8031003A

Value: -2144272326 | 0x8031003A | 2150694970

What does it mean ?

FVE_E_INVALID_PROTECTOR_TYPE  
The key protector specified cannot be used for this operation.
Value: 58 | 0x003A | 0b0000000000111010

Where does it come from ?

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

Other Errors for FACILITY_FVE