Error 0x803100A4

Value: -2144272220 | 0x803100A4 | 2150695076

What does it mean ?

FVE_E_POLICY_PASSPHRASE_REQUIRES_ASCII  
Your system administrator requires that passwords contain only printable ASCII characters. This includes unaccented letters (A-Z, a-z), numbers (0-9), space, arithmetic signs, common punctuation, separators, and the following symbols: # $ & @ ^ _ ~ .
Value: 164 | 0x00A4 | 0b0000000010100100

Where does it come from ?

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

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