Error 0x80310050

Value: -2144272304 | 0x80310050 | 2150694992

What does it mean ?

FVE_E_RAW_ACCESS  
No action was taken as BitLocker Drive Encryption is in raw access mode.
Value: 80 | 0x0050 | 0b0000000001010000

Where does it come from ?

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

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