An error message "GIM23701E ** ZAP VER PROCESSING FOR SYSMOD MLJ4406 FAILED FOR MODULE LIBRMAIN" is issued when applying the usermod MLJ4406 from the CALJJCL (member MLJ4406 or LJMODSEC).
There is a whole series of replacement Specials for MLJ4406. Each has different set of Pre-reqs.
Please open a CA Librarian case on CA Support Online so the appropriate MLJ4406 replacement Special for Bypassing Librarian's Basic and Member level security can be determined and provided.