How To Fix PPEENG152 - Class &1/&2 is not a subclass of &3

SAP Error Message - Details

• Message type: E = Error

• Message class: PPEENG - iPPE Engine Messages

• Message number: 152

• Message text: Class &1/&2 is not a subclass of &3

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message PPEENG152 - Class &1/&2 is not a subclass of &3 ?

  The SAP error message PPEENG152 indicates that there is an issue with class inheritance in the context of the SAP system, specifically related to the classification of materials or objects. The message states that the class specified (denoted as &1/&2) is not a subclass of the expected superclass (denoted as &3). This typically occurs in the context of classification in SAP, where a class is expected to inherit properties from another class.
  Cause:
  
  Incorrect Class Hierarchy: The class you are trying to use is not properly defined as a subclass of the expected superclass. This could be due to a misconfiguration in the class definitions.
  Data Entry Error: There may have been a mistake in entering the class or subclass in the transaction or program you are using.
  Custom Development Issues: If there are custom developments or enhancements in your SAP system, they may not be correctly handling class relationships.
  Transport Issues: If the class definitions were transported from one system to another (e.g., from development to production), there may have been issues during the transport process.
  
  Solution:
  
  Check Class Definitions: Go to the Class Builder (Transaction CL02) and verify the class definitions. Ensure that the class you are trying to use is correctly defined as a subclass of the expected superclass.
  Review Class Hierarchy: Use the Class Hierarchy tool to check the relationships between classes. Make sure that the subclass is correctly linked to its superclass.
  Correct Data Entry: If the error occurred during data entry, double-check the values you are entering to ensure they are correct.
  Debug Custom Code: If there is custom code involved, debug it to ensure that it is correctly handling class relationships.
  Transport Check: If the issue arose after a transport, check the transport logs for any errors and ensure that all necessary objects were transported correctly.
  
  Related Information:
  
  Transaction Codes: 
  
  CL02: Change Class
  CL03: Display Class
  CL01: Create Class
  
  
  Documentation: Refer to SAP Help documentation on Class Management and Object-Oriented Programming in SAP for more details on class definitions and inheritance.
  SAP Notes: Check for any relevant SAP Notes that may address known issues related to class inheritance and classification errors.
  
  If the problem persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.