How To Fix /SAPAPO/RRP_CTP003 - Class &1 is not derived from class /SAPAPO/CL_NET_CTP

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/RRP_CTP -

• Message number: 003

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

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/RRP_CTP003 - Class &1 is not derived from class /SAPAPO/CL_NET_CTP ?

  The SAP error message /SAPAPO/RRP_CTP003 Class &1 is not derived from class /SAPAPO/CL_NET_CTP typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue with the class hierarchy in the context of the CTP (Capable-to-Promise) functionality. This error indicates that the class specified (denoted by &1) is not a subclass of the expected class /SAPAPO/CL_NET_CTP, which is required for certain CTP operations.
  Cause:
  
  Incorrect Class Definition: The class specified in the error message is not derived from the required base class /SAPAPO/CL_NET_CTP. This could happen if a custom class was created without properly inheriting from the necessary base class.
  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 recently transported from another system, it may not have been transported correctly, leading to inconsistencies.
  
  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 derived from /SAPAPO/CL_NET_CTP. If it is not, you may need to modify the class to inherit from the correct base class.
  
  
  
  Modify Class:
  
  If you have the necessary authorizations, you can modify the class to ensure it inherits from /SAPAPO/CL_NET_CTP.
  If the class is a custom class, you may need to consult with the developer who created it to ensure it meets the necessary requirements.
  
  
  
  Check Configuration:
  
  Review the configuration settings related to CTP in the APO system to ensure that everything is set up correctly.
  Ensure that all necessary settings for CTP are properly configured in the system.
  
  
  
  Transport Check:
  
  If the class was recently transported, check the transport logs to ensure that the transport was successful and that all dependencies were included.
  If necessary, re-transport the class or related objects.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to CTP and class definitions for any additional guidance or known issues.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: SE24 (Class Builder), SE80 (Object Navigator), and SLG1 (Application Log) can be useful for troubleshooting.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  APO Documentation: Review the APO documentation for best practices regarding class definitions and CTP configuration.
  
  By following these steps, you should be able to identify and resolve the issue causing the error message.