How To Fix /INCMD/MSG152 - FFF class &1 has FFF subsets; hence relevance cannot be changed to ATP

SAP Error Message - Details

• Message type: E = Error

• Message class: /INCMD/MSG -

• Message number: 152

• Message text: FFF class &1 has FFF subsets; hence relevance cannot be changed to ATP

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /INCMD/MSG152 - FFF class &1 has FFF subsets; hence relevance cannot be changed to ATP ?

  The SAP error message /INCMD/MSG152 indicates that there is an issue with the classification of a material or product in the system. Specifically, it states that the class has subsets, which prevents the relevance of the class from being changed to Available to Promise (ATP). 
  Cause:
  
  Class with Subsets: The error occurs when you attempt to change the relevance of a class that has subsets. In SAP, a class can have subclasses (subsets), and if any of these subclasses are defined, the system does not allow the change to ATP relevance.
  Configuration Issues: There may be configuration settings in the classification system that are not compatible with ATP settings.
  Data Integrity: The data integrity of the classification might be compromised, leading to this error.
  
  Solution:
  
  Check Class Structure: Review the class structure in the classification system. If the class has subsets, you will need to either remove the subsets or change the class structure to allow for the ATP relevance change.
  Modify Class Settings: If the subsets are necessary, consider whether you can modify the class settings or the way ATP is being used in your business process.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on managing classes and subsets, especially in relation to ATP.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance on handling class and ATP settings.
  Technical Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert who can provide more tailored assistance based on your specific configuration and requirements.
  
  Related Information:
  
  Classification System: Understand how the classification system works in SAP, including the relationship between classes, subclasses, and their relevance to various processes like ATP.
  ATP (Available to Promise): Familiarize yourself with how ATP works in SAP, including its configuration and how it interacts with material master data and classification.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  By addressing the class structure and ensuring that it aligns with your ATP requirements, you should be able to resolve the error message.