The Worker DTM connection with the Master DTM terminated unexpectedly. The Worker DTM will stop processing the session.
The worker DTM process detected that a connection to the master DTM process failed. The master DTM process and worker DTM process may be on different nodes and there may be a network failure.
View the workflow log to see if the DTM process started on the node. If the DTM process started and shut down unexpectedly, the error is internal. If the error is not internal, contact the Network Administrator to verify that the network does not have connectivity issues. Contact the domain Administrator to verify that the Integration Service is running. Run the session again.