Error 0x8031003B

Value: -2144272325 | 0x8031003B | 2150694971

What does it mean ?

FVE_E_NO_PROTECTORS_TO_TEST  
No key protectors exist on the drive to perform the hardware test.
Value: 59 | 0x003B | 0b0000000000111011

Where does it come from ?

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

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