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.