How To Fix /SAPAPO/RRP_CTP002 - Class &1 is not derived from class /SAPAPO/CL_RRP_CTP

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/RRP_CTP -

• Message number: 002

• Message text: Class &1 is not derived from class /SAPAPO/CL_RRP_CTP

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 /SAPAPO/RRP_CTP002 - Class &1 is not derived from class /SAPAPO/CL_RRP_CTP ?

  The SAP error message /SAPAPO/RRP_CTP002 Class &1 is not derived from class /SAPAPO/CL_RRP_CTP typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue with the class hierarchy in the system. This error indicates that the class specified (denoted by &1) is not a subclass of the expected class /SAPAPO/CL_RRP_CTP, which is required for certain functionalities in the system.
  Cause:
  
  Incorrect Class Definition: The class specified in the error message is not properly defined as a subclass of /SAPAPO/CL_RRP_CTP. This could happen if the class was created or modified incorrectly.
  Configuration Issues: There may be configuration issues in the APO system that lead to the system not recognizing the class hierarchy correctly.
  Transport Issues: If the class was transported from another system, it may not have been transported correctly, leading to inconsistencies in the class definitions.
  
  Solution:
  
  
  Check Class Hierarchy:
  
  Go to transaction SE24 (Class Builder) and check the class definition of the class mentioned in the error message.
  Ensure that it is indeed derived from /SAPAPO/CL_RRP_CTP. If it is not, you may need to adjust the class definition.
  
  
  
  Recreate or Adjust the Class:
  
  If the class is not derived from the required superclass, you may need to recreate it or modify it to ensure it inherits from /SAPAPO/CL_RRP_CTP.
  
  
  
  Check for Transport Issues:
  
  If the class was recently transported, check the transport logs for any errors or issues during the transport process.
  If necessary, re-transport the class or related objects to ensure they are correctly set up in the target system.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to class definitions and inheritance in APO to ensure compliance with best practices.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the class definition and transport, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  SE24 - Class Builder
  SE80 - Object Navigator (to check related objects)
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address similar issues or provide additional guidance.
  APO Documentation: Review the official SAP APO documentation for insights on class usage and inheritance.
  
  By following these steps, you should be able to resolve the error and ensure that the class hierarchy is correctly set up in your SAP APO system.