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

/SAPAPO/SDP285 - Overview

• 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.

Unfortunately, there isn't any extra information in this error notice.

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/SAPAPO/SDP285 - Details

• 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