How To Fix /SAPAPO/SDP160 - The selection & accesses data that is currently locked

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/SDP -

• Message number: 160

• Message text: The selection & accesses data that is currently locked

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/SDP160 - The selection & accesses data that is currently locked ?

  The SAP error message /SAPAPO/SDP160 indicates that the selection and access data you are trying to work with is currently locked. This typically occurs in the context of SAP Advanced Planning and Optimization (APO) when multiple users or processes attempt to access or modify the same data simultaneously.
  Cause:
  
  Data Locking: The most common cause of this error is that another user or process is currently accessing or modifying the same data. SAP uses locking mechanisms to prevent data inconsistencies.
  Long-running Transactions: If a transaction takes a long time to complete, it may hold locks on the data longer than expected.
  Background Jobs: Background jobs that are processing data can also lock the data, preventing other users from accessing it.
  System Configuration: Certain configurations in the system may lead to more frequent locking scenarios.
  
  Solution:
  
  Wait and Retry: If the lock is temporary, waiting for a few moments and then retrying the operation may resolve the issue.
  Identify the Lock: Use transaction code SM12 to check for active locks. You can see which user or process is holding the lock and take appropriate action.
  Release the Lock: If you have the necessary authorizations, you can manually release the lock from SM12. However, be cautious when doing this, as it may lead to data inconsistencies if the other process is still running.
  Check Background Jobs: Use transaction code SM37 to check for any background jobs that might be running and holding locks. If necessary, you can stop these jobs.
  Optimize Processes: If locking is a frequent issue, consider reviewing and optimizing the processes that access the data to reduce the likelihood of conflicts.
  Consult with Basis Team: If the issue persists, it may be beneficial to consult with your SAP Basis team to investigate any underlying system issues or configurations that may be contributing to the locking problem.
  
  Related Information:
  
  Lock Management: Understanding how SAP handles locks can help in troubleshooting. SAP uses both exclusive and shared locks, and knowing the difference can aid in resolving issues.
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (for locks), SM37 (for background jobs), and SM21 (for system logs) to help diagnose issues.
  User Training: Ensure that users are trained on how to properly access and modify data to minimize locking conflicts.
  
  By following these steps, you should be able to address the /SAPAPO/SDP160 error effectively.