ASMZ031T Memory allocation failed in ASMZTWUS.

Explanation
 Memory allocation failed in module ASMZTWUS.

System action
 The ASMXREP run
terminates with user abend code 018.

Programmer response
 Check the region size if running on z/OS® and partition size if running
on z/VSE®. For z/VM®, check the storage defined for the job.
Increase the storage size. If the problem persists, contact your IBM® service representative.