Error 0x803100D4

Value: -2144272172 | 0x803100D4 | 2150695124

What does it mean ?

FVE_E_EOW_NOT_SUPPORTED_IN_VERSION  
The encrypt on write mode for BitLocker is not supported in this version of Windows. You can turn on BitLocker without using the encrypt on write mode.
Value: 212 | 0x00D4 | 0b0000000011010100

Where does it come from ?

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

Other Errors for FACILITY_FVE