An operand is not specified on EXCEPT operation but there is no EXCEPT without a name.
30
Cause . . . . . : An operand is not specified on the EXCEPT operation, but there is no Exception Output line which has a blank EXCEPT-Name entry (positions 30 - 39). The specification is ignored.
Recovery . . . : Specify the EXCEPT Name as operand for the EXCEPT operation, or add an Exception Output line with a blank EXCEPT Name. Compile again.
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