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