How To Fix FOX0083 - Effectivity type &1: Class &2 does not inherit from class &3

SAP Error Message - Details

• Message type: E = Error

• Message class: FOX0 - FOX Customizing

• Message number: 083

• Message text: Effectivity type &1: Class &2 does not inherit from class &3

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FOX0083 - Effectivity type &1: Class &2 does not inherit from class &3 ?

  The SAP error message FOX0083 indicates an issue related to effectivity types and class inheritance in the context of SAP Variant Configuration (VC). This error typically arises when there is a problem with the configuration of classes and their relationships in the system.
  Cause:
  The error message "Effectivity type &1: Class &2 does not inherit from class &3" suggests that the specified effectivity type (denoted by &1) is trying to reference a class (denoted by &2) that does not properly inherit from the expected parent class (denoted by &3). This can occur due to:
  
  Incorrect Class Hierarchy: The class you are trying to use does not extend or inherit from the required base class.
  Configuration Errors: There may be misconfigurations in the effectivity type settings or class definitions.
  Changes in Class Structure: If the class structure has been modified (e.g., a class was deleted or its inheritance was changed), it can lead to this error.
  
  Solution:
  To resolve the FOX0083 error, you can follow these steps:
  
  
  Check Class Inheritance:
  
  Go to the Class Builder (Transaction Code: CL02) and check the inheritance of the class specified in the error message.
  Ensure that class &2 is correctly inheriting from class &3.
  
  
  
  Review Effectivity Type Configuration:
  
  Navigate to the effectivity type settings in the SAP system and verify that the configuration is correct.
  Ensure that the effectivity type is properly linked to the correct classes.
  
  
  
  Adjust Class Definitions:
  
  If necessary, modify the class definitions to ensure that the inheritance structure is correct.
  If you have made recent changes to the class structure, consider reverting those changes or updating the effectivity type to match the new structure.
  
  
  
  Testing:
  
  After making the necessary adjustments, test the configuration to ensure that the error no longer occurs.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for more detailed information on effectivity types and class inheritance.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists, consider reaching out to SAP support for further assistance, especially if this is a production environment.
  
  
  
  Related Information:
  
  Effectivity Types: These are used in variant configuration to determine the applicability of certain characteristics or classes based on specific conditions.
  Class Hierarchy: Understanding the class hierarchy in SAP is crucial for effective variant configuration and ensuring that classes are properly defined and related.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CL02 (Class Builder) and CL03 (Display Class) for managing classes in SAP.
  
  By following these steps, you should be able to identify and resolve the cause of the FOX0083 error in your SAP system.