Error 0x8031001A

Value: -2144272358 | 0x8031001A | 2150694938

What does it mean ?

FVE_E_AD_INSUFFICIENT_BUFFER  
The buffer supplied to a function was insufficient to contain the returned data. Increase the buffer size before running the function again.
Value: 26 | 0x001A | 0b0000000000011010

Where does it come from ?

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

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