Dear ,
Can you please have a look on this error.This was generated when BAPI communicating with r/3 and expecting a response back from r/3 to XI.
<rfc:BAPI_INCOMINGINVOICE_CREATE.Exception xmlns:rfc="urn:sap-com:document:sap:rfc:functions"><Name>RFC_ERROR_SYSTEM_FAILURE</Name><Text>User XIRFCUSER has no RFC authorization for function group MRM_BAPI.</Text><Message><ID>RFC_ERROR_SYSTEM_FAILURE</ID><Number>341</Number></Message><Attributes><V1>RFC_NO_AUTHORITY</V1></Attributes></rfc:BAPI_INCOMINGINVOICE_CREATE.Exception>
Ravi