The exception was thrown by the execute method of the Interaction object that is used to make a call when the value of the remoteComType property is IMSJ2C or IMSTCP. The remoteComType property is in the linkage options part, in the callLink element for the called program.
For IMSJ2C the Resource Adapter may not be defined or configured properly. Diagnose the problem by using the text of the exception, the documentation of your Resource Adapter, and the documentation of your J2EE environment.
For IMSTCP, make sure that the IMS™ Connector for Java™ jar files are included in the classpath when the calling application is started. Diagnose the problem by using the text of the exception and the documentation of IMS Connector for Java
Additional information may be in an IMS Connect for Java log where the calling program is run, or in a log file on the remote system.