Cause . . . . . : The indicated field specified on the SFLSIZ keyword must be signed numeric (S in position 35), have a length of 5 (positions 30 - 34), a usage of program-to-system (P in position 38), and 0 decimal positions (positions 36 -37). Recovery . . . : Change the field specified on the SFLSIZ keyword to a field that has valid attributes. Then try the request again.