Diagnosis
Calling function module &V1& by remote function call (RFC) triggeredthe exception COMMUNICATION_FAILURE. This happens when a problem hasoccurred in establishing the connection or in communication.

System Response
The function module was not executed.

Procedure
Repeat the operation that led to this error (after waiting a certainperiod of time, if necessary). If the error reoccurs, inform systemadministration.

Procedure for System Administration
Check the abvailability of the target system of the RFC call. If thismessage is in the application log, you may find more entries on RFCdestinations and on relevant operating system error messages.