CPHMC0102E
Cannot add CICSPlex SM artifacts to the CICS region because it already contains the following CICSPlex SM artifact(s): artefact_list

Explanation

An existing CICSPlex SM data set definition was discovered when parsing an existing region's JCL.

System action

The command fails.

Response

The action that was performed does not support the inclusion of the specified CICSPlex SM data set. Ensure that you are performed the action on an appropriate region.