How To Fix PU251 - End: Sorting and compressing the object list

SAP Error Message - Details

• Message type: E = Error

• Message class: PU - Upgrade and Transport Log Messages

• Message number: 251

• Message text: End: Sorting and compressing the object list

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message PU251 - End: Sorting and compressing the object list ?

  The SAP error message PU251, which states "End: Sorting and compressing the object list," typically occurs during the processing of transport requests or when working with object lists in the SAP system. This message is not necessarily an error in itself but rather an informational message indicating that the system has completed the sorting and compressing of the object list.
  Cause:
  
  Transport Request Processing: This message often appears when you are working with transport requests, especially when objects are being sorted and compressed for transport.
  Large Object Lists: If the object list is large, the system may take longer to process it, leading to this message being displayed as part of the processing steps.
  System Performance: Performance issues or system load can also affect how quickly the object list is processed, leading to delays.
  
  Solution:
  
  Wait for Completion: If you see this message, it may simply mean that the system is processing. If the process does not complete in a reasonable time, you may want to check the system performance.
  Check System Logs: Look at the system logs (transaction SM21) or the transport logs (transaction SE01) for any additional messages or errors that may provide more context.
  Optimize Object Lists: If you frequently encounter delays, consider optimizing the object lists being transported. This can involve reducing the number of objects or breaking them into smaller transport requests.
  System Performance: If the system is slow, check for any performance issues. This could involve checking for background jobs, system load, or database performance.
  Consult SAP Notes: If the issue persists or if you suspect it is related to a bug, check the SAP Support Portal for any relevant SAP Notes that may address this specific message or related performance issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE01 (Transport Organizer), SE09 (Workbench Organizer), and SE10 (Customizing Organizer) for managing transport requests.
  SAP Basis Team: If you are not able to resolve the issue, it may be beneficial to consult with your SAP Basis team, as they can provide insights into system performance and transport management.
  Documentation: Review SAP documentation related to transport management and object lists for best practices and troubleshooting tips.
  
  In summary, while PU251 is not an error message indicating a failure, it is important to monitor the context in which it appears and take appropriate actions if you experience delays or performance issues.