How To Fix OO124 - The naming convention for interfaces is 'IF_'

SAP Error Message - Details

• Message type: E = Error

• Message class: OO - Class Builder/API

• Message number: 124

• Message text: The naming convention for interfaces is 'IF_'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message OO124 - The naming convention for interfaces is 'IF_' ?

  The SAP error message OO124 indicates that there is a naming convention issue with an interface in ABAP Objects. Specifically, it states that the naming convention for interfaces should start with the prefix 'IF_'.
  Cause:
  This error typically occurs when you attempt to create or activate an interface that does not adhere to the naming convention set by SAP. In ABAP, interfaces are expected to follow specific naming conventions to ensure consistency and clarity in the codebase. The prefix 'IF_' is used to denote that the object is an interface.
  Solution:
  To resolve this error, you need to rename the interface to comply with the naming convention. Here are the steps to do this:
  
  
  Open the Interface: Go to the ABAP Workbench (transaction SE80 or SE11) and locate the interface that is causing the error.
  
  
  Rename the Interface: Change the name of the interface to start with 'IF_'. For example, if your interface is named 'MyInterface', rename it to 'IF_MyInterface'.
  
  
  Activate the Interface: After renaming, activate the interface to ensure that the changes take effect.
  
  
  Check for Dependencies: If there are any classes or other objects that depend on this interface, make sure to update their references accordingly.
  
  
  Recheck Naming Conventions: Ensure that all other interfaces in your project also follow the naming convention to avoid similar issues in the future.
  
  
  Related Information:
  
  Naming Conventions: SAP has specific naming conventions for various object types, including classes, interfaces, and methods. Familiarizing yourself with these conventions can help prevent similar errors.
  Documentation: Refer to the SAP documentation or the ABAP programming guidelines for more information on naming conventions and best practices.
  Error Handling: If you encounter similar errors in the future, always check the naming conventions first, as they are a common source of issues in ABAP development.
  
  By following these steps, you should be able to resolve the OO124 error and ensure that your interface adheres to SAP's naming conventions.