How To Fix /ISDFPS/ME_COMAT006 - Compatibility group is not allowed in customer namespace (Y* or Z*)

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/ME_COMAT -

• Message number: 006

• Message text: Compatibility group is not allowed in customer namespace (Y* or Z*)

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 /ISDFPS/ME_COMAT006 - Compatibility group is not allowed in customer namespace (Y* or Z*) ?

  The SAP error message /ISDFPS/ME_COMAT006 Compatibility group is not allowed in customer namespace (Y* or Z*) typically occurs in the context of SAP's Advanced Planning and Optimization (APO) or similar modules where compatibility groups are used for managing product compatibility in planning processes.
  Cause:
  This error indicates that you are trying to create or modify a compatibility group in a customer namespace (which usually starts with 'Y' or 'Z') that is not permitted. SAP restricts certain functionalities, including compatibility groups, to the standard namespace to maintain system integrity and avoid conflicts with standard SAP objects.
  Solution:
  To resolve this error, you can consider the following approaches:
  
  
  Use Standard Namespace: Ensure that you are using the standard namespace for compatibility groups. Avoid using custom namespaces (Y or Z) for these objects.
  
  
  Check Configuration: Review the configuration settings in your SAP system to ensure that compatibility groups are set up correctly. You may need to consult with your SAP Basis or functional team to verify the settings.
  
  
  Create Compatibility Groups in Standard Namespace: If you need to create new compatibility groups, do so in the standard namespace. This may involve renaming or recreating existing groups that are in the customer namespace.
  
  
  Consult SAP Documentation: Refer to the official SAP documentation or notes related to compatibility groups and namespaces for any specific guidelines or restrictions.
  
  
  Contact SAP Support: If the issue persists or if you need further assistance, consider reaching out to SAP Support for help. They can provide insights specific to your system configuration and version.
  
  
  Related Information:
  
  Namespaces in SAP: In SAP, the standard namespace is reserved for SAP's own objects, while customer namespaces (Y or Z) are for custom developments. It's important to adhere to these conventions to avoid conflicts.
  Compatibility Groups: These are used in various SAP modules to manage product compatibility, especially in planning and forecasting scenarios.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  
  By following these steps, you should be able to resolve the error and ensure that your compatibility groups are set up correctly within the SAP system.