Error 0x8031003D

Value: -2144272323 | 0x8031003D | 2150694973

What does it mean ?

FVE_E_KEYFILE_INVALID  
The BitLocker startup key or recovery password file provided is corrupt or invalid. Verify that you have the correct startup key or recovery password file and try again.
Value: 61 | 0x003D | 0b0000000000111101

Where does it come from ?

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

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