How To Fix /SAPAPO/DMRES026 - Quantity/rate definition &1 has been locked by user &2

/SAPAPO/DMRES026 - Overview

• Message type: E = Error

• Message class: /SAPAPO/DMRES -

• Message number: 026

• Message text: Quantity/rate definition &1 has been locked by user &2

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/DMRES026 - Quantity/rate definition &1 has been locked by user &2 ?

  The SAP error message /SAPAPO/DMRES026 indicates that a specific quantity or rate definition in the SAP Advanced Planning and Optimization (APO) module is locked by a user. This typically occurs when a user is currently editing or has opened a resource definition, preventing other users from making changes to it simultaneously.
  
  Cause:
  
  User Lock: The resource definition is currently being edited by another user, which causes a lock on that specific entry.
  Session Timeout: Sometimes, if a user has an active session that has not been properly closed, it may still hold a lock on the resource.
  System Error: Occasionally, system errors or crashes can leave locks in place that do not get released properly.
  
  
  Solution:
  
  Wait and Retry: If the lock is due to another user editing the resource, the simplest solution is to wait until that user has finished their work and released the lock.
  Identify the Locking User: You can use transaction code SM12