How To Fix /SAPSLL/CORE_CLSMD017 - Numbering scheme &1 is currently locked by another user

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPSLL/CORE_CLSMD -

• Message number: 017

• Message text: Numbering scheme &1 is currently locked by another user

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPSLL/CORE_CLSMD017 - Numbering scheme &1 is currently locked by another user ?

  The SAP error message /SAPSLL/CORE_CLSMD017 indicates that a numbering scheme (identified by &1) is currently locked by another user. This typically occurs in the context of SAP's Logistics and Supply Chain Management modules, particularly when dealing with number ranges for documents or transactions.
  Cause:
  
  Concurrent Access: The most common cause of this error is that another user is currently accessing or modifying the same numbering scheme. SAP locks certain objects to prevent data inconsistencies when multiple users attempt to make changes simultaneously.
  Long-running Transactions: If a user has a long-running transaction that involves the numbering scheme, it can lead to a lock that prevents others from accessing it.
  System Configuration: There may be configuration settings that enforce strict locking mechanisms for certain operations.
  
  Solution:
  
  Wait and Retry: The simplest solution is to wait for the other user to complete their transaction. Once the lock is released, you can try your operation again.
  Identify the Lock: If you have the necessary authorizations, you can check which user is holding the lock. You can do this using transaction codes like SM12 (to view locks) or SM21 (to check system logs).
  Contact the User: If you identify the user holding the lock, you can contact them to see if they can complete their transaction or release the lock.
  System Administrator Intervention: If the lock persists and you cannot identify the user or if the user is unavailable, you may need to involve a system administrator. They can forcibly release the lock if necessary, but this should be done with caution to avoid data inconsistencies.
  Review Configuration: If this issue occurs frequently, it may be worth reviewing the configuration of the numbering scheme and the locking mechanisms in place to see if adjustments can be made to reduce the likelihood of such conflicts.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 for lock entries, SM21 for system logs, and SE11 for data dictionary objects related to number ranges.
  Documentation: Check SAP Help Portal or relevant SAP Notes for more detailed information on number range management and locking mechanisms.
  User Training: Ensure that users are trained on how to properly manage number ranges and understand the implications of long-running transactions.
  
  By following these steps, you should be able to resolve the error and understand the underlying issues related to the locking of the numbering scheme.