-128 ERR APP REJECTED (Magic xpa 2.x)
Two or more requests attempted to open different applications in the same engine when either no application was open or no context existed in that engine.
Retry the request.
When dealing with a J2EE environment, the EJB continues to connect to the enterprise server for as long as specified in the CommTimeout setting. If the EJB fails to connect, it throws the “ApplicationBusy” exception to the client.