MULOGNAMEDEF, logical name xxxx, needed to start replication server is already defined for this job. Check for an existing or improperly terminated server.

MUPIP Error: This indicates that the logical name xxxx is already defined, which prevents MUPIP from starting the replication server. Either there is an already running server, or a previous server was not properly terminated.

Action: Check for an existing or improperly terminated server, use MUPIP RUNDOWN to clean up.