SAP Message SAI_MAPPING103 - All JCo return parameters are initial

Procedure
Check whether the application 'Integration Services' is deployed andstarted on the SAP J2EE server.
Call transaction SM59 and check the TCP/IP connection'AI_RUNTIME_JCOSERVER'. Does the connection test work?
Also check the relevant program ID in the RFC engine of the SAP J2EEEngine administrator tools.