Variable-length field is not allowed with this operation.
30
Cause . . . . . : Variable-length character, graphic, or UCS-2 variables are allowed only for the following operations: ANDxx, CABxx, CALL, CALLP, CASxx, CAT, CHAIN, CHECK, CHECKR, CLEAR, COMMIT, COMP, DOU, DOUxx, DOW, DOWxx, DSPLY, DUMP, EVAL, FOR, IF, IFxx, LOOKUP, MOVE, MOVEA, MOVEL, ORxx, PARM, RESET, RETURN, SCAN, SORTA, SUBST, TESTN, WHEN, WHENxx, and XLATE. The specification is ignored.
Recovery . . . : Change the definition of the operands of the operation, or remove the specification. Compile again.
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