How To Fix 3G340 - Runtime error in aRFC: &

SAP Error Message - Details

• Message type: E = Error

• Message class: 3G - Payroll: International

• Message number: 340

• Message text: Runtime error in aRFC: &

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 3G340 - Runtime error in aRFC: & ?

  The SAP error message 3G340, which indicates a "Runtime error in aRFC," typically occurs in the context of asynchronous Remote Function Calls (aRFC) in SAP systems. This error can arise due to various reasons, including issues with the configuration, network problems, or data inconsistencies.
  Causes:
  
  Network Issues: Problems with the network connection between the SAP systems can lead to aRFC errors.
  Configuration Errors: Incorrect settings in the RFC destination or in the aRFC configuration can cause runtime errors.
  Data Inconsistencies: If the data being processed is inconsistent or invalid, it may lead to runtime errors.
  System Resource Limitations: Insufficient system resources (like memory or processing power) can also trigger this error.
  Transaction Locking: If the transaction is locked or if there are issues with the database, it may lead to a runtime error.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there are no network issues between the systems involved in the aRFC call.
  Review RFC Configuration: Verify the settings in the RFC destination (transaction code SM59) and ensure that they are correctly configured.
  Analyze the Data: Check the data being sent in the aRFC call for any inconsistencies or invalid entries.
  Monitor System Resources: Use transaction codes like SM50 or ST02 to monitor system performance and resource usage. If resources are low, consider optimizing or increasing them.
  Check for Locks: Use transaction SM12 to check for any locks on the database that might be causing the issue.
  Review Logs: Check the system logs (transaction SM21) and the developer trace files (transaction ST22) for more detailed error messages that can provide insights into the root cause.
  Update SAP Notes: Check for any relevant SAP Notes that might address known issues related to aRFC and apply them if necessary.
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: RFC Destinations
  SM21: System Log
  ST22: Dump Analysis
  SM12: Lock Entries
  SM50: Process Overview
  ST02: Tune Summary
  
  
  
  SAP Notes: Always check the SAP Support Portal for any specific notes related to the error message 3G340, as SAP frequently updates their knowledge base with solutions for known issues.
  
  
  Documentation: Refer to the official SAP documentation for aRFC and related components to understand the architecture and best practices.
  
  
  If the issue persists after trying the above solutions, it may be beneficial to engage SAP support for further assistance.