How to use generic mode

We would like to use CXR (v3.1) with the generic mode, but we have an error (19) during the connection.

We modified the client application (cxrReceiver was in generic mode and the number of streams was one). After seeing the error we changed the command-line options on the client too, but the application(/connection) still didn’t work.
Could someone help us, how can we use CXR with this mode?