Error 0x803100A9

Value: -2144272215 | 0x803100A9 | 2150695081

What does it mean ?

FVE_E_PROTECTOR_CHANGE_PASSPHRASE_MISMATCH  
Please enter the correct current password.
Value: 169 | 0x00A9 | 0b0000000010101001

Where does it come from ?

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

Other Errors for FACILITY_FVE