The number of Operation Extenders specified in the Operation entry is not valid.
20
Cause . . . . . : At least one Operation Extender must be specified with the operation. The Operation-Extender is ignored. An operation on a Calculation Specification consists of 2 portions. The first portion consists of the Operation Code. The remainder of the operation is the Operation-Extender. If specified, an Operation Extender must be enclosed within parentheses. The Operation Extender begins to the right of the Operation Code.
Recovery . . . : Remove the parentheses or specify at least one Operation Extender enclosed in parentheses following the Operation Code. Compile again.
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