CDISR1911E

While the connection was being established, the following unexpected magic code was received: code.

A sender that is not an Streams sender tried to connect to a data receiver. This sender did not connect. This error might indicate a breach of system network security or an internal system error that allowed a sending processing element to try to connect to the wrong receiver.
Use a system network monitoring utility to determine the source of the connection requests. If the error persists, use the streamtool getlog command to collect the trace files of the instance, and contact Product Support.