IEC340I

Explanation
Catalog management issued a conditional GETMAIN
for work area storage space.  GETMAIN failed due to insufficient storage
in your region.
In the message text: mmmm
The name of the catalog management control section (CSECT) that
detected the error condition.

System action
Catalog management returns to the caller immediately
after detecting the error with an error code in Register 15. If the
catalog request points to a catalog parameter list (CTGPL), the return
code value is 64 and the reason code is 2. If the request points to
a CAMLST, the return code is 24 for a locate function or 28 for a
non-locate function.

Programmer response
Increase the region size available to the
job step.

Source
DFSMSdfp