If you run out of space in the Work library while you are processing the %MEND macro statement, a system abend might occur.

If either a B37 or D37 system abend occurs, then you have run out of space in the Work library. Under these circumstances, an S0C4 system abend also occurs.

You might see error messages in your SAS log that are similar to the following:

To circumvent this problem, you must allocate a larger Work library. Depending on where Work library space is allocated, you might have to add a WORK DD to your batch job or execute your SAS CLIST or REXX EXEC with more work space. You can run the following code to get more information about the Work library allocation.

See the "Work Library and Other Utility Files" section of the SAS^® 9.4 Companion for z/OS, Sixth Edition for an overview of the Work library.

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