How To Fix /SAPAPO/SCMB_PSTRU123 - Application of active planning object structure &1 must not be changed

/SAPAPO/SCMB_PSTRU123 - Overview

• Message type: E = Error

• Message class: /SAPAPO/SCMB_PSTRU -

• Message number: 123

• Message text: Application of active planning object structure &1 must not be changed

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/SCMB_PSTRU123 - Application of active planning object structure &1 must not be changed ?

  The SAP error message /SAPAPO/SCMB_PSTRU123 indicates that there is an issue with the application of an active planning object structure in SAP Advanced Planning and Optimization (APO). This error typically arises when there is an attempt to change a planning object structure that is currently active and in use.
  
  Cause:
  
  Active Planning Object Structure: The error occurs when you try to modify an active planning object structure that is being used in the system. This could happen if you are trying to change attributes, settings, or configurations of a planning object structure that is currently active.
  System Constraints: The system does not allow changes to active structures to ensure data integrity and consistency in planning processes.
  User Permissions: Sometimes, the user may not have the necessary permissions to make changes to the planning object structure.
  
  
  Solution:
  
  Deactivate the Planning Object Structure: If you need to make changes, you must first deactivate the planning object structure. This