How To Fix NR124 - Could not lock number range object &1

SAP Error Message - Details

• Message type: E = Error

• Message class: NR - Number ranges

• Message number: 124

• Message text: Could not lock number range object &1

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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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message NR124 - Could not lock number range object &1 ?

  The SAP error message NR124, which states "Could not lock number range object &1," typically occurs when there is an issue with the locking mechanism for a number range object in SAP. This can happen for several reasons, and understanding the cause is essential for resolving the issue.
  Causes:
  
  Concurrent Access: Multiple users or processes are trying to access or modify the same number range object simultaneously, leading to a locking conflict.
  Long-Running Transactions: A transaction that is taking too long to complete may hold the lock on the number range object longer than expected.
  System Issues: There may be underlying system issues, such as database locks or performance problems, that prevent the number range object from being locked.
  Configuration Issues: Incorrect configuration of the number range object or its associated settings may lead to locking issues.
  
  Solutions:
  
  Wait and Retry: If the error is due to concurrent access, waiting for a short period and then retrying the operation may resolve the issue.
  Check Active Sessions: Use transaction codes like SM12 to check for active locks in the system. If you find a lock that is no longer needed, you can delete it (if you have the necessary authorizations).
  Review Long-Running Transactions: Identify any long-running transactions that may be holding locks on the number range object. If possible, terminate or complete these transactions.
  Check Configuration: Review the configuration of the number range object in transaction SNRO. Ensure that it is set up correctly and that there are no inconsistencies.
  System Performance: Monitor system performance and database locks. If the system is under heavy load, consider optimizing performance or scheduling heavy jobs during off-peak hours.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes:
  
  SNRO: Number Range Object Maintenance
  SM12: Display and Delete Locks
  SM21: System Log
  ST22: Dump Analysis
  
  
  SAP Documentation: Refer to the official SAP documentation for more details on number range management and locking mechanisms.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to diagnose and resolve the NR124 error in your SAP system.