ICU1046
INVALID SYNTAX FOR {OLD MASTER KEY | NEW MASTER KEY | SEED}

Explanation

An incorrect value for the SETM, CHGM, or SEED parameter was found in the PARM field of the EXEC statement for the key generator utility program.

System action

Key generator utility processing ends.

Programmer response

Correct the value in the PARM field of the EXEC statement. A valid value consists of 16 hexadecimal digits. (Valid hexadecimal digits are 0 through 9 and A through F.) Rerun the key generator utility program.

Source

Cryptographic Unit Support Program (CUSP)