Error 0x80310022

Value: -2144272350 | 0x80310022 | 2150694946

What does it mean ?

FVE_E_RECOVERY_KEY_REQUIRED  
The drive you are attempting to lock does not have any key protectors available for encryption because BitLocker protection is currently suspended. Re-enable BitLocker to lock this drive.
Value: 34 | 0x0022 | 0b0000000000100010

Where does it come from ?

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

Other Errors for FACILITY_FVE