How To Fix CONOBJ007 - User & is locking the control object list. Only display is possible

SAP Error Message - Details

• Message type: E = Error

• Message class: CONOBJ - Control Objects for Background Processing

• Message number: 007

• Message text: User & is locking the control object list. Only display is possible

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CONOBJ007 - User & is locking the control object list. Only display is possible ?

  The SAP error message CONOBJ007 indicates that a user is currently locking the control object list, which means that other users can only view the list but cannot make any changes or updates to it. This typically occurs in scenarios where multiple users are trying to access or modify the same control object simultaneously.
  Cause:
  
  User Locking: The primary cause of this error is that another user has locked the control object list for editing. This can happen if a user is currently working on a transaction that involves the control object.
  Long-running Transactions: If a user has a long-running transaction open, it may hold the lock for an extended period, preventing others from making changes.
  System Configuration: Certain configurations in the SAP system may lead to more frequent locking scenarios, especially in environments with high user concurrency.
  
  Solution:
  
  Wait for Release: The simplest solution is to wait until the user who is locking the control object list completes their transaction and releases the lock.
  Identify the Locking User: If you have the necessary authorizations, you can identify the user who is holding the lock. You can use transaction SM12 (Display and Delete Locks) to see the list of locks and find out which user is causing the issue.
  Contact the User: If possible, contact the user who is locking the control object list and ask them to complete their work or release the lock if they are done.
  System Administrator Intervention: If the lock persists and is causing significant disruption, a system administrator can forcibly release the lock using transaction SM12. However, this should be done with caution, as it may lead to data inconsistencies if the user is in the middle of a critical operation.
  Review System Performance: If this issue occurs frequently, it may be worth reviewing the system performance and user workload to identify any bottlenecks or areas for improvement.
  
  Related Information:
  
  Transaction Codes: 
  
  SM12: To view and manage locks.
  SM21: To check system logs for any related issues.
  ST22: To check for dumps that might indicate underlying problems.
  
  
  User Training: Ensure that users are trained on how to properly manage their sessions and avoid leaving transactions open longer than necessary.
  System Configuration: Review the configuration settings related to locking mechanisms in your SAP system to optimize performance and reduce locking conflicts.
  
  By following these steps, you should be able to resolve the CONOBJ007 error and minimize its occurrence in the future.