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IDCMAEXP12 - An alphanumeric field, FIELD, is used as an arithmetic expression operand. If the field does not contain a valid number, an execution error occurs.

Reason:

At run-time, the contents of the alphanumeric field are converted to a numeric value. If it cannot be converted, a run-time error occurs.

Action:

This is just a warning. No action is needed if the named field contains a valid number or contains a valid number at execution time.