Message type: E = Error
Message class:  FKK_ID_XX_ODN - ODN message 
Message number: 071
Message text: Processing class &1 not inherited form generic class &2
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The SAP error message FKK_ID_XX_ODN071 indicates that there is an issue with the processing class not being inherited from the generic class in the context of contract accounts in the SAP Convergent Charging or Contract Accounts Receivable and Payable (FI-CA) module. This error typically arises when there is a mismatch or misconfiguration in the processing classes assigned to the relevant objects.
Cause:
Configuration Issues: The processing class defined for a specific object (like a contract account) is not correctly set up to inherit from the generic class. This can happen if the configuration for the processing classes is incomplete or incorrect. Custom Development: If there are custom developments or enhancements in the system, they might not be aligned with the standard processing classes, leading to this error. Data Inconsistencies: There may be inconsistencies in the data that prevent the system from recognizing the correct inheritance of processing classes.
Solution: Check Configuration: Go to the configuration settings
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