How To Fix SIW798 - Error during RFC data transfer

SIW798 - Overview

• Message type: E = Error

• Message class: SIW - Service Implementation Workbench

• Message number: 798

• Message text: Error during RFC data transfer

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 SIW798 - Error during RFC data transfer ?

  The SAP error message SIW798, which indicates "Error during RFC data transfer," typically occurs during Remote Function Call (RFC) communication between SAP systems or between an SAP system and an external system. This error can arise due to various reasons, and understanding the cause is essential for troubleshooting.
  Possible Causes:
  
  
  Network Issues: Problems with the network connection between the systems can lead to RFC errors. This could include timeouts, disconnections, or network configuration issues.
  
  
  Authorization Issues: The user or service account used for the RFC connection may not have the necessary authorizations to perform the requested operation.
  
  
  Configuration Errors: Incorrect configuration of the RFC destination in transaction SM59 can lead to communication failures. This includes incorrect hostnames, ports, or connection types.
  
  
  System Load: High load on the SAP system can lead to performance issues, causing timeouts or failures in data transfer.
  
  
  Data Issues: If the data being transferred is malformed or exceeds size limits, it can