How To Fix /IWBEP/CM_MGW_GENER014 - Adding public local types within class '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_MGW_GENER -

• Message number: 014

• Message text: Adding public local types within class '&1'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_MGW_GENER014 - Adding public local types within class '&1' ?

  The SAP error message /IWBEP/CM_MGW_GENER014 typically occurs in the context of SAP Gateway development, particularly when working with OData services. This error indicates that there is an issue with the definition of public local types within a class, which is not allowed in ABAP.
  Cause:
  The error is triggered when you attempt to define public local types (like structures or tables) within a class. In ABAP, local types are meant to be private to the class and cannot be made public. This restriction is in place to maintain encapsulation and ensure that the internal structure of a class is not exposed to other classes or programs.
  Solution:
  To resolve this error, you should follow these steps:
  
  
  Check the Class Definition: Open the class where the error is occurring and look for any local types that are defined as public.
  
  
  Change Visibility: If you find any public local types, change their visibility to private. You can do this by moving the type definitions to the PRIVATE SECTION of the class.
  
  
  Use Global Types: If you need to share types across multiple classes or programs, consider defining them as global types in a type pool or in the global data dictionary (SE11). This way, they can be reused without violating the encapsulation principle.
  
  
  Re-generate the OData Service: After making the necessary changes, regenerate the OData service to ensure that the changes take effect.
  
  
  Test the Changes: Finally, test the OData service to confirm that the error has been resolved and that the service is functioning as expected.
  
  
  Related Information:
  
  ABAP Class Structure: Familiarize yourself with the structure of ABAP classes, especially the visibility sections (PUBLIC, PROTECTED, PRIVATE).
  OData Services: Understand how OData services are generated and the role of the SAP Gateway in this process.
  SAP Notes: Check for any relevant SAP Notes that might provide additional context or solutions related to this error message.
  
  By following these steps, you should be able to resolve the error and ensure that your OData service is correctly defined and functional.