After having applied maintenance do Topology (PTFs LU09804, LU11020 & LU11878) the following error is occurring running the TPLSERUN job:
Exception in thread "main" java.lang.IllegalArgumentException: Work file group is not defined: WST
Mainframe Topology 1.0
This problem occurs if the file staging-workfile.yml is not updated after the maintenance is applied. Latest maintenance requires some new workfiles so this file has to be re-deployed.
The solution is to execute the job TPLSCPY as instructed in this hold action of the PTF LU11878:
2.Copy the updated application.yml and staging-workfile.yml from the
INSTALL_PATH to DEPLOY_PATH. If there were no manual modifications to the files in the Topology deployment directory, this can be done by simply running the job CTPLJCL(TPLSCPY).
Make sure the directory pointed by the member INSTJCL(TPLSCNF) used by the TPLSCPY job is the correct directory updated by the SMP/E maintenance, that is, the Topology installation directory: