How To Fix RY303 - RFC communication error: Evaluation; see long text

RY303 - Overview

• Message type: E = Error

• Message class: RY - Messages for RM Basis

• Message number: 303

• Message text: RFC communication error: Evaluation; see long text

What causes this issue?

An error occurred during communication with an external system.
&V1&&V2&

System Response

How to fix this error?

Check your entries in the selected valuation rule. Fields: Target
system
, function name
Check your entries for RFC destinations using transaction SM59

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RY303 - RFC communication error: Evaluation; see long text ?

  The SAP error message RY303, which indicates an RFC (Remote Function Call) communication error, typically arises when there is a problem with the communication between SAP systems or between an SAP system and an external system. The message suggests that there is an issue with the evaluation of the RFC call, and it often requires further investigation to determine the root cause.
  Possible Causes:
  
  
  Network Issues: Problems with the network connection between the SAP systems can lead to RFC communication errors. This could be due to firewalls, routing issues, or network outages.
  
  
  Configuration Errors: Incorrect configuration of the RFC destination in the SAP system can cause communication failures. This includes incorrect settings for the target system, such as the system ID, client number, user credentials, or connection type.
  
  
  Authorization Issues: The user credentials used for the RFC call may not have the necessary authorizations to perform the requested operation.
  
  
  System Availability: The target SAP system