How To Fix AG203 - RFC error in call &1: &2&3

AG203 - Overview

• Message type: E = Error

• Message class: AG - Nachrichten ATP-Server

• Message number: 203

• Message text: RFC error in call &1: &2&3

What causes this issue?

The RFC error &2&&3& occurred while calling up function &1&.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AG203 - RFC error in call &1: &2&3 ?

  The SAP error message AG203, which states "RFC error in call &1: &2&3," typically indicates that there is an issue with a Remote Function Call (RFC) in the SAP system. This error can occur for various reasons, and understanding the cause is essential for troubleshooting and resolving the issue.
  Causes of AG203 RFC Error
  
  
  Network Issues: Problems with the network connection between the SAP systems can lead to RFC errors. This could be due to firewalls, network outages, or misconfigured network settings.
  
  
  RFC Destination Configuration: The RFC destination may not be correctly configured. This includes incorrect parameters such as the target system's IP address, system number, or client.
  
  
  Authorization Issues: The user credentials used for the RFC call may not have the necessary authorizations to execute the function module or access the required data.
  
  
  System Availability: The target system may be down or not available, leading to an inability to establish a connection.
  
  
  Function Module Issues: