How To Fix 1Q203 - Error in Structure of RFC Connection

SAP Error Message - Details

• Message type: E = Error

• Message class: 1Q - Messages In-House Banking

• Message number: 203

• Message text: Error in Structure of RFC Connection

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message 1Q203 - Error in Structure of RFC Connection ?

  The SAP error message 1Q203 indicates that there is an issue with the structure of the Remote Function Call (RFC) connection. This error typically arises when there is a mismatch or misconfiguration in the RFC settings between the SAP systems involved.
  Causes of Error 1Q203
  
  Inconsistent RFC Configuration: The RFC destination may not be correctly configured, leading to discrepancies in the expected structure.
  Version Mismatch: Different versions of SAP systems may have incompatible RFC structures.
  Network Issues: Problems with network connectivity can lead to incomplete or corrupted data being sent over the RFC connection.
  Authorization Issues: The user credentials used for the RFC connection may not have the necessary authorizations.
  Transport Layer Issues: Issues in the transport layer can also lead to this error, especially if there are changes in the system landscape.
  
  Solutions to Error 1Q203
  
  
  Check RFC Destination Configuration:
  
  Go to transaction SM59 and verify the settings of the RFC destination.
  Ensure that the target system is correctly