SAP Message SAML001 - Error when communicating with RFC destination &1: &2&3&4

Diagnosis An error occurred when communicating with the J2EE Engine using RFCdestination &V1&. The error text is: &V2&&V3&&V4&. Procedure Check in SAP Web AS ABAP whether the specified RFC destination for theJ2EE Engine is correctly configured. Check in the J2EE Engine that the RFC server is correctly set up in the"JCo RFC Provider" service.