How To Fix 00644 - Error sending data, session terminated

SAP Error Message - Details

• Message type: E = Error

• Message class: 00 -

• Message number: 644

• Message text: Error sending data, 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 00644 - Error sending data, session terminated ?

  The SAP error message "00644 Error sending data, session terminated" typically indicates a communication issue between the SAP application and the database or between the SAP application and the user interface. This error can occur due to various reasons, including network issues, session timeouts, or problems with the SAP application itself.
  Causes:
  
  Network Issues: Disruptions in the network connection can lead to data transmission errors.
  Session Timeout: If a user session remains idle for too long, it may time out, leading to this error when trying to send data.
  Database Connection Problems: Issues with the database server, such as it being down or unreachable, can cause this error.
  SAP Application Bugs: There may be bugs or issues within the SAP application that lead to this error.
  Resource Limitations: Insufficient system resources (like memory or CPU) can also lead to session termination.
  
  Solutions:
  
  Check Network Connection: Ensure that the network connection is stable and that there are no interruptions.
  Increase Session Timeout: If the session timeout is too short, consider increasing it in the SAP system settings.
  Database Connectivity: Verify that the database server is up and running and that there are no connectivity issues.
  Restart SAP Application: Sometimes, simply restarting the SAP application can resolve temporary glitches.
  Check SAP Notes: Look for any relevant SAP Notes or patches that address known issues related to this error.
  Monitor System Resources: Check the system resources to ensure that the server is not overloaded and has enough memory and CPU available.
  Review Logs: Check the SAP application logs for any additional error messages or warnings that could provide more context about the issue.
  
  Related Information:
  
  SAP Support: If the issue persists, consider reaching out to SAP support for assistance. They can provide more specific guidance based on your system configuration and logs.
  SAP Community: Engaging with the SAP Community can also be helpful, as other users may have experienced similar issues and can share their solutions.
  Documentation: Review the official SAP documentation for your specific version, as there may be version-specific considerations or configurations that need to be addressed.
  
  By following these steps, you should be able to diagnose and potentially resolve the "00644 Error sending data, session terminated" error in SAP.