How To Fix /SAPAPO/MC01079 - This class may only be maintained by SAP

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/MC01 -

• Message number: 079

• Message text: This class may only be maintained by SAP

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/MC01079 - This class may only be maintained by SAP ?

  The SAP error message /SAPAPO/MC01079 indicates that you are trying to maintain a class that is restricted to SAP's control. This typically occurs in the context of SAP Advanced Planning and Optimization (APO) when you attempt to modify or create a class that is predefined by SAP and is not intended for customer modifications.
  Cause:
  
  SAP Standard Classes: The class you are trying to maintain is a standard SAP class that is not meant to be changed by customers. SAP restricts modifications to ensure system integrity and consistency.
  Authorization Issues: You may not have the necessary authorizations to maintain certain classes or objects in the system.
  System Configuration: The system may be configured to prevent changes to certain classes to protect the integrity of the planning environment.
  
  Solution:
  
  Use Custom Classes: Instead of trying to modify the SAP standard class, create a custom class that extends or uses the standard class as a base. This allows you to maintain your own settings without affecting the standard functionality.
  Check Authorizations: Ensure that you have the necessary authorizations to perform the action you are attempting. You may need to consult with your SAP security team to verify your permissions.
  Consult Documentation: Review the SAP documentation or notes related to the specific class you are trying to maintain. There may be specific guidelines or best practices provided by SAP.
  Contact SAP Support: If you believe that you need to make changes to a standard class for a valid reason, consider reaching out to SAP support for guidance. They may provide insights or alternative solutions.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can share their experiences or solutions.
  Training and Documentation: Familiarize yourself with SAP APO and its class management to better understand the implications of modifying standard classes.
  
  By following these steps, you should be able to address the error message and find a suitable approach to your requirements within the SAP system.