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

/SAPAPO/RRP_CTP003 - Overview

• 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

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 /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