SAP Message /EACC/LOCAL_INTEGRTY002 - System cannot be reached under RFC destination &1

Diagnosis
An external call could not be performed as the external system, underRFC destination &V1&, could not be reached.

System Response
Termination with error message-

Procedure
Check whether the system called behind RFC destination &V1& is actuallyexecutable and whether the setting for RFC destination &V1& canestablish a connection to the system. Use transaction SM59 to do this.