Error 0x8031006F

Value: -2144272273 | 0x8031006F | 2150695023

What does it mean ?

FVE_E_VOLUME_TOO_SMALL  
The drive is too small to be protected using BitLocker Drive Encryption.
Value: 111 | 0x006F | 0b0000000001101111

Where does it come from ?

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

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