How To Fix 00641 - Fatal error, session terminated

SAP Error Message - Details

• Message type: E = Error

• Message class: 00 -

• Message number: 641

• Message text: Fatal error, session terminated

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 00641 - Fatal error, session terminated ?

  The SAP error message "00641 Fatal error, session terminated" typically indicates a serious issue that has caused the SAP session to terminate unexpectedly. This error can arise from various underlying causes, and addressing it often requires a systematic approach to identify and resolve the issue.
  Causes:
  
  System Resource Issues: Insufficient memory or CPU resources on the server can lead to session termination.
  Network Problems: Connectivity issues between the client and the SAP server can cause sessions to drop.
  Database Issues: Problems with the database, such as locks, deadlocks, or corruption, can lead to fatal errors.
  ABAP Program Errors: Bugs or unhandled exceptions in custom ABAP programs can trigger this error.
  Transport Issues: Problems during the transport of changes can lead to inconsistencies in the system.
  Configuration Errors: Incorrect settings in the SAP system configuration can lead to instability.
  
  Solutions:
  
  Check System Resources: Monitor the server's CPU and memory usage. If resources are low, consider optimizing performance or upgrading hardware.
  Review Network Connectivity: Ensure that there are no network issues affecting the connection between the client and the server. Check for firewalls, VPNs, or other network configurations that might be causing interruptions.
  Database Health Check: Perform a health check on the database. Look for locks, deadlocks, or any signs of corruption. Use database tools to analyze and resolve issues.
  Debug ABAP Programs: If the error occurs during the execution of a specific program, use the ABAP debugger to identify and fix any coding issues.
  Check Transport Logs: Review transport logs for any errors or warnings that might indicate issues with recent changes.
  Review SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error. There may be patches or updates available.
  System Logs: Analyze the system logs (transaction SM21) for any additional error messages or warnings that occurred around the same time as the fatal error.
  Restart the SAP System: In some cases, a restart of the SAP application server may resolve transient issues.
  
  Related Information:
  
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. Provide them with detailed logs and information about the circumstances under which the error occurs.
  Documentation: Review SAP documentation and community forums for similar issues and solutions shared by other users.
  System Monitoring Tools: Utilize SAP monitoring tools (like Solution Manager) to proactively monitor system health and performance.
  
  Conclusion:
  The "00641 Fatal error, session terminated" message is a serious issue that requires careful investigation. By systematically checking the potential causes and applying the appropriate solutions, you can often resolve the issue and restore normal operation to your SAP system.