How To Fix /SAPAPO/DM_SCHEDFAIL010 - Object locked by another user

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/DM_SCHEDFAIL -

• Message number: 010

• Message text: Object locked by another user

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/DM_SCHEDFAIL010 - Object locked by another user ?

  The SAP error message /SAPAPO/DM_SCHEDFAIL010 indicates that a specific object is locked by another user, preventing the current user from accessing or modifying it. This is a common issue in SAP systems, particularly in the context of Advanced Planning and Optimization (APO) where multiple users may be trying to access the same data simultaneously.
  Cause:
  
  Object Locking: SAP uses a locking mechanism to prevent data inconsistencies. When a user accesses an object (like a planning book, data view, or any other APO object), it gets locked for that user. If another user tries to access the same object, they will encounter this error.
  Long-running Transactions: If a user has a long-running transaction that holds the lock, it can lead to this error for others trying to access the same object.
  Session Issues: Sometimes, a user may have an open session that is not properly closed, leading to lingering locks on objects.
  
  Solution:
  
  Wait and Retry: If the lock is temporary (e.g., due to another user working on the object), waiting for a few moments and then retrying the action may resolve the issue.
  Identify the Lock: Use transaction code SM12 to check for locks. You can see which user is holding the lock and on which object. If necessary, you can ask the user to release the lock.
  Release the Lock: If you have the necessary authorizations, you can manually delete the lock entry in SM12. However, this should be done with caution, as it may lead to data inconsistencies if the other user is actively working on the object.
  Check for Long-running Processes: If a process is taking too long, consider checking the transaction in SM37 (job monitoring) to see if it can be optimized or if it needs to be terminated.
  Communicate with Users: If multiple users are working on the same object, it may be beneficial to establish a protocol for accessing shared objects to minimize conflicts.
  
  Related Information:
  
  Lock Management: Understanding how SAP handles locks can help in troubleshooting. Locks can be exclusive (preventing all other access) or shared (allowing read access).
  User Authorizations: Ensure that users have the appropriate authorizations to access and modify the objects they need.
  System Performance: Sometimes, performance issues can lead to longer transaction times, increasing the likelihood of encountering lock errors. Regular system performance checks and optimizations can help mitigate this.
  Documentation and Training: Providing users with documentation on how to handle locks and best practices for using the system can reduce the frequency of these errors.
  
  By following these steps, you should be able to resolve the /SAPAPO/DM_SCHEDFAIL010 error and minimize its occurrence in the future.