The action <ACTION> requested is not
supported for the table CSYSGRP.
Explanation
Only the following actions are valid against the table
CSYSGRP: CREATE, REMOVE, UPDATE, ADDTOGRP and REMFROMGRP.
System action
The CICS® DA
CICSPlex® SM definition
utility request fails.
User response
Make sure that <ACTION> is
one of those supported for CSYSGRP.