CIU2101W

CINT already in use by user userid

The CINT transaction is already being used when an attempt is made to start another CINT transaction.
The second CINT transaction is terminated, as only one instance of CINT is permitted.
Check where CINT is currently in use. Only one user should be attempting to run the Collector at a given time.
CIUA000C, CIUAWSDA

Destination

Terminal end user or CINT TD queue.