How To Fix /SAPAPO/SDP285 - One or more events are locked; you are in display mode now

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/SDP -

• Message number: 285

• Message text: One or more events are locked; you are in display mode now

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/SDP285 - One or more events are locked; you are in display mode now ?

  The SAP error message /SAPAPO/SDP285 indicates that one or more events in the SAP Advanced Planning and Optimization (APO) system are locked, which prevents you from making changes to the planning data. This typically occurs when another user or process is currently working on the same planning object or event, leading to a lock being placed on it.
  Cause:
  
  Concurrent Access: Another user is currently editing the same planning object or event.
  Background Jobs: A background job may be running that is processing the same data, causing it to be locked.
  System Locking Mechanism: SAP uses a locking mechanism to prevent data inconsistencies, and this error indicates that the system has detected a lock on the event.
  
  Solution:
  
  
  Check for Active Users: Use transaction code SM12 to check for locks in the system. You can see which users are holding locks on the relevant objects. If you find a lock that is no longer needed, you can ask the user to release it or, if necessary, you can delete the lock yourself (with caution).
  
  
  Wait and Retry: If the lock is due to another user actively working on the data, you may need to wait until they finish and release the lock. You can periodically check back to see if the lock has been released.
  
  
  Review Background Jobs: Use transaction code SM37 to check for any background jobs that might be running and locking the events. If you find a job that is taking too long, you may need to investigate further or contact the responsible team.
  
  
  Consult with Colleagues: If you are part of a team, check with your colleagues to see if anyone else is working on the same planning object.
  
  
  System Administrator: If you are unable to resolve the issue, it may be necessary to involve a system administrator or SAP Basis team to investigate further, especially if the locking seems to be persistent or affecting multiple users.
  
  
  Related Information:
  
  Lock Management: Understanding how SAP handles locks can help in troubleshooting. Locks are typically managed at the database level, and SAP provides various tools to monitor and manage locks.
  User Training: Ensure that users are trained on how to properly release locks and avoid situations where multiple users are trying to edit the same data simultaneously.
  Performance Monitoring: Regularly monitor system performance and background jobs to prevent long-running jobs from causing locks.
  
  By following these steps, you should be able to address the /SAPAPO/SDP285 error and regain access to the planning data you need to work with.