How To Fix /SAPAPO/TSM158 - Planning area locked by user '&'

/SAPAPO/TSM158 - Overview

• Message type: E = Error

• Message class: /SAPAPO/TSM -

• Message number: 158

• Message text: Planning area locked by user '&'

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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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/TSM158 - Planning area locked by user '&' ?

  The SAP error message /SAPAPO/TSM158 Planning area locked by user '&' indicates that a specific planning area in SAP Advanced Planning and Optimization (APO) is currently locked by another user. This typically occurs when a user is performing a task that requires exclusive access to the planning area, such as running a planning run or making changes to the data.
  
  Cause:
  
  User Lock: The planning area is locked by another user who is currently working on it.
  Long-Running Processes: A process that takes a long time to complete may have locked the planning area.
  Session Issues: Sometimes, a user may have an open session that has not been properly closed, leading to a lock.
  System Errors: Occasionally, system errors or crashes can leave a lock in place.
  
  
  Solution:
  
  Wait for Release: If the lock is held by another user, the simplest solution is to wait until that user completes their task and releases the lock.
  Identify the Locking