How To Fix PYC_CONF_WB004 - Rule logic must inherit from base class CL_PYD_CHK_FP4_BASE.

SAP Error Message - Details

• Message type: E = Error

• Message class: PYC_CONF_WB -

• Message number: 004

• Message text: Rule logic must inherit from base class CL_PYD_CHK_FP4_BASE.

What causes this issue?

This message is displayed because the class you use as rule logic is not
inherited from the base class <EX>CL_PYD_CHK_FP4_BASE</>.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Make sure that the rule logic is inherited from the base class
<EX>CL_PYD_CHK_FP4_BASE</>.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PYC_CONF_WB004 - Rule logic must inherit from base class CL_PYD_CHK_FP4_BASE. ?

  The SAP error message PYC_CONF_WB004 indicates that there is an issue with the rule logic in the context of the SAP Profitability and Cost Management (PCM) module. Specifically, it suggests that the rule logic you are trying to implement does not properly inherit from the required base class CL_PYD_CHK_FP4_BASE.
  Cause:
  
  Incorrect Inheritance: The custom rule logic you are trying to implement does not extend or inherit from the CL_PYD_CHK_FP4_BASE class. This base class is essential for ensuring that the rule logic adheres to the expected structure and functionality defined by SAP.
  Implementation Errors: There may be errors in the implementation of the custom logic, such as missing methods or incorrect method signatures that do not match those defined in the base class.
  Configuration Issues: The configuration of the rule logic in the SAP system may not be set up correctly, leading to this error when the system attempts to validate or execute the logic.
  
  Solution:
  
  Check Inheritance: Ensure that your custom class for the rule logic correctly inherits from CL_PYD_CHK_FP4_BASE. You can do this by checking the class definition in the ABAP Workbench (SE80 or SE24).
  CLASS your_custom_class_name DEFINITION INHERITING FROM CL_PYD_CHK_FP4_BASE.
  
  Implement Required Methods: Make sure that all required methods from the base class are implemented in your custom class. This includes any abstract methods that must be defined in the derived class.
  Review Class Implementation: Go through the implementation of your custom class to ensure that it adheres to the expected structure and logic. Look for any discrepancies or missing components.
  Test the Logic: After making the necessary changes, test the rule logic to ensure that it works as expected without triggering the error message.
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of the PCM module you are using for any additional requirements or guidelines regarding custom rule logic.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance on implementing custom rule logic in PCM.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  ABAP Development: If you are not familiar with ABAP development, consider consulting with an ABAP developer who can assist in reviewing and correcting the class implementation.
  
  By following these steps, you should be able to resolve the error message PYC_CONF_WB004 and successfully implement your custom rule logic in SAP PCM.