How To Fix FL614 - Parameter &1 for function module &2 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: FL - Function Builder messages

• Message number: 614

• Message text: Parameter &1 for function module &2 already exists

What causes this issue?

You are attempting to create a parameter for a function module, but the
parameter already exists.

System Response

The action is terminated.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FL614 - Parameter &1 for function module &2 already exists ?

  The SAP error message FL614 indicates that there is a parameter conflict in a function module. Specifically, it means that a parameter with the name specified in the message already exists in the function module you are trying to use or define. This can occur during the development of function modules, especially when parameters are being defined or modified.
  Cause:
  
  Duplicate Parameter Names: The most common cause of this error is that you are trying to define a parameter in a function module that has the same name as an existing parameter.
  Inconsistent Naming: If you are copying parameters from another function module or program, you might inadvertently create a duplicate.
  Changes in Function Module: If the function module has been modified by another developer or in a different transport, it may lead to conflicts.
  
  Solution:
  
  Check Parameter Names: Review the parameters defined in the function module. Ensure that the parameter name you are trying to add does not already exist.
  Rename Parameters: If you find a duplicate, consider renaming the new parameter to something unique.
  Review Function Module Documentation: Check the documentation or comments in the function module to understand the purpose of existing parameters and avoid conflicts.
  Use Unique Naming Conventions: Establish a naming convention for parameters to minimize the risk of duplication in the future.
  Transport Requests: If the function module is part of a transport request, ensure that all changes are properly imported and that there are no conflicts with other transports.
  
  Related Information:
  
  Function Module Definition: In SAP, function modules are reusable pieces of code that can be called from other programs or function modules. They have defined parameters for input and output.
  ABAP Development: Understanding ABAP (Advanced Business Application Programming) is essential for working with function modules and resolving such errors.
  SAP Notes and Documentation: Check SAP Notes for any known issues or additional guidance related to function modules and parameter handling.
  
  If you continue to experience issues after following these steps, consider reaching out to your SAP Basis or ABAP development team for further assistance.