How To Fix PPEAPO_CLASS007 - Class &1/&2 is not a subclass of &3

SAP Error Message - Details

• Message type: E = Error

• Message class: PPEAPO_CLASS - Message Class for BAdI Class CL_PPEAPO_CLASS

• Message number: 007

• 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message PPEAPO_CLASS007 - Class &1/&2 is not a subclass of &3 ?

  The SAP error message PPEAPO_CLASS007 indicates that there is an issue with class inheritance in the context of the Advanced Planning and Optimization (APO) module. Specifically, the error message states that a class (identified by &1/&2) is not a subclass of the expected class (&3). This typically occurs when the system expects a certain class hierarchy but finds that the specified class does not conform to the expected structure.
  Cause:
  
  Incorrect Class Definition: The class defined in the system may not be properly set up as a subclass of the expected parent class.
  Configuration Issues: There may be configuration issues in the APO system that lead to incorrect class assignments.
  Data Inconsistencies: The data being processed may reference a class that has been changed or deleted, leading to inconsistencies.
  Custom Development: If there are custom developments or enhancements, they may not adhere to the expected class hierarchy.
  
  Solution:
  
  
  Check Class Hierarchy:
  
  Go to the Class Builder (Transaction Code: CL02) and check the class definitions for the classes involved. Ensure that the class you are trying to use is indeed a subclass of the expected parent class.
  
  
  
  Review Configuration:
  
  Review the configuration settings in the APO system to ensure that all classes are correctly defined and linked. This may involve checking the settings in the APO planning area or other relevant configuration areas.
  
  
  
  Data Validation:
  
  Validate the data being processed to ensure that it references the correct classes. If there are any inconsistencies, correct them.
  
  
  
  Check for Custom Code:
  
  If there are any custom developments, review the code to ensure that it correctly implements the class hierarchy. Make necessary adjustments if the custom code is causing the issue.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific classes and their expected hierarchies. This can provide insights into any known issues or required configurations.
  
  
  
  SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. Provide them with the details of the error message and the context in which it occurs.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CL02 (Class Builder) and PPO1 (APO Planning Object).
  SAP Notes: Search for SAP Notes related to the error message or the specific classes involved. SAP Notes often contain fixes or workarounds for known issues.
  Documentation: Review the SAP Help Portal for documentation on class definitions and APO configuration.
  
  By following these steps, you should be able to identify and resolve the issue related to the PPEAPO_CLASS007 error message.