How To Fix PU631 - Overflow in request numbers for external system &1

SAP Error Message - Details

• Message type: E = Error

• Message class: PU - Upgrade and Transport Log Messages

• Message number: 631

• Message text: Overflow in request numbers for external system &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message PU631 - Overflow in request numbers for external system &1 ?

  The SAP error message PU631, which states "Overflow in request numbers for external system &1," typically occurs when the system has exhausted the available request numbers for a specific external system. This can happen in scenarios where there are a large number of requests being generated, and the system has a limited range of request numbers it can assign.
  Cause:
  
  Exhaustion of Request Numbers: Each external system in SAP has a finite range of request numbers. If the system has generated requests up to the maximum limit, it will throw this error.
  Configuration Issues: Incorrect configuration of the external system or the transport landscape can lead to this issue.
  Transport Directory Issues: Problems with the transport directory or the transport management system can also contribute to this error.
  
  Solution:
  
  Check Request Numbers: Verify the current status of request numbers for the external system. You can do this by checking the transport directory and the transport logs.
  Delete Old Requests: If possible, delete old or unnecessary transport requests that are no longer needed. This can free up request numbers.
  Increase Request Number Range: If the system allows, consider increasing the range of request numbers for the external system. This may require configuration changes in the transport management system.
  Transport Directory Cleanup: Perform a cleanup of the transport directory to remove any obsolete or failed requests.
  Consult SAP Notes: Check for any relevant SAP Notes that may provide additional guidance or patches related to this error.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for assistance, especially if it involves complex configurations or system settings.
  
  Related Information:
  
  Transport Management System (TMS): Understanding how TMS works and how it manages transport requests can help in troubleshooting this error.
  SAP Notes: Regularly check SAP Notes for updates or fixes related to transport issues.
  System Logs: Review system logs for any additional error messages or warnings that may provide more context about the issue.
  Documentation: Refer to SAP documentation for guidelines on managing transport requests and configuring external systems.
  
  By following these steps, you should be able to resolve the PU631 error and prevent it from occurring in the future.