How To Fix FKK_ID_XX_SAFT042 - Processing class &1 should be inherited from generic class &2

SAP Error Message - Details

• Message type: E = Error

• Message class: FKK_ID_XX_SAFT - SAFT message

• Message number: 042

• Message text: Processing class &1 should be inherited from generic class &2

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message FKK_ID_XX_SAFT042 - Processing class &1 should be inherited from generic class &2 ?

  The SAP error message FKK_ID_XX_SAFT042 indicates that there is an issue with the processing class in the context of the SAP Convergent Charging or SAP Contract Accounts Receivable and Payable (FI-CA) module. Specifically, it suggests that the processing class you are trying to use should inherit from a generic class, but it does not.
  Cause:
  This error typically arises due to one of the following reasons:
  
  Incorrect Configuration: The processing class you are using is not correctly configured to inherit from the required generic class.
  Custom Development: If there has been custom development or modifications in the processing classes, it may not adhere to the inheritance structure expected by the system.
  Data Inconsistency: There may be inconsistencies in the data or configuration settings that lead to this error.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Configuration:
  
  Go to the configuration settings for the processing classes in the relevant module (FI-CA or Convergent Charging).
  Ensure that the processing class you are using is correctly set up to inherit from the specified generic class.
  
  
  
  Review Custom Code:
  
  If there are any custom developments related to processing classes, review the code to ensure it follows the inheritance rules.
  Make necessary adjustments to ensure that the custom processing class inherits from the correct generic class.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for the specific module you are working with to understand the expected structure and relationships between processing classes and generic classes.
  
  
  
  Check for Notes and Patches:
  
  Look for any SAP Notes or patches that may address this specific error. Sometimes, SAP releases updates that fix known issues.
  
  
  
  Testing:
  
  After making changes, perform thorough testing to ensure that the error is resolved and that the system behaves as expected.
  
  
  
  Seek Help from SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP Support for assistance. Provide them with the error message details and any relevant configuration settings.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SPRO for configuration, SE80 for checking custom developments, or SE11 for data dictionary objects.
  Documentation: SAP Help Portal and SAP Community can provide additional insights and examples related to processing classes and their configurations.
  Testing Environment: Always perform changes in a development or testing environment before applying them to production to avoid disruptions.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.