/AIF/API_CUST116 - Custom function &1 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: /AIF/API_CUST -

• Message number: 116

• Message text: Custom function &1 already exists

Self-Explanatory Message

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AnswerBot

• What is the cause and solution for SAP error message /AIF/API_CUST116 - Custom function &1 already exists ?

  The SAP error message /AIF/API_CUST116 Custom function &1 already exists typically occurs in the context of the Application Interface Framework (AIF) when you are trying to create a custom function that already exists in the system. This error indicates that there is a naming conflict with an existing custom function.
  Cause:
  
  Duplicate Function Name: The most common cause of this error is that you are attempting to create a new custom function with a name that is already in use by another custom function in the AIF.
  Transport Issues: If you have transported objects from one system to another, there may be a naming conflict if the same function was created in both systems.
  Development Environment: If multiple developers are working on the same AIF configuration, one developer may have already created the function before another developer attempts to create it.
  
  Solution:
  
  Check Existing Functions: Before creating a new custom function, check the existing custom functions in the AIF to see if the function name you want to use is already taken. You can do this by navigating to the relevant AIF configuration area in the SAP GUI.
  Rename the Function: If you find that the function name is already in use, consider renaming your new custom function to something unique that does not conflict with existing names.
  Delete or Modify Existing Function: If the existing function is no longer needed, you may choose to delete it or modify it as necessary. However, be cautious with this approach, as it may affect other parts of the system that rely on that function.
  Consult Documentation: Review any documentation or naming conventions that your organization may have in place for custom functions to avoid future conflicts.
  
  Related Information:
  
  AIF Documentation: Refer to the official SAP documentation for the Application Interface Framework for more details on creating and managing custom functions.
  SAP Notes: Check SAP Notes for any known issues or additional guidance related to this error message.
  Development Guidelines: Follow best practices for naming conventions and version control in your development environment to minimize the risk of such conflicts.
  
  If the issue persists after following these steps, consider reaching out to your SAP Basis or AIF support team for further assistance.