How To Fix SFDT_CODE_COMPOSER026 - Function module name &1 already exists, provide a different name

SAP Error Message - Details

• Message type: E = Error

• Message class: SFDT_CODE_COMPOSER - Messages for Code Composer

• Message number: 026

• Message text: Function module name &1 already exists, provide a different name

What causes this issue?

You have tried to generate a function module for the current BRFplus
function. However, in the selected function group, a function module
with the same name '&v1&' already exists. In addition, the existing
function module does not seem to be connected with the BRFplus function.
Therefore, overwriting the existing function module is not permitted.

System Response

The function module cannot be generated with the name &v1&.

How to fix this error?

For the function module to be generated, choose a name that does not
already exist in the function group.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SFDT_CODE_COMPOSER026 - Function module name &1 already exists, provide a different name ?

  The SAP error message SFDT_CODE_COMPOSER026 indicates that there is an attempt to create or register a function module with a name that already exists in the system. This error typically occurs in the context of SAP development, particularly when working with ABAP function modules.
  Cause:
  The primary cause of this error is that the function module name you are trying to use is already taken by another function module in the SAP system. Function module names must be unique within the SAP namespace, and attempting to create a duplicate will result in this error.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Function Modules:
  
  Use transaction code SE37 (Function Builder) to search for the function module name you are trying to create. This will help you confirm whether the function module already exists.
  
  
  
  Choose a Different Name:
  
  If the function module name is already in use, you will need to select a different, unique name for your new function module. Ensure that the new name adheres to the naming conventions and standards used in your organization.
  
  
  
  Namespace Considerations:
  
  If you are working in a custom namespace (e.g., Z or Y), ensure that the name you choose is unique within that namespace. If you are using a standard SAP namespace, be cautious as these are often reserved for SAP's own function modules.
  
  
  
  Check for Transport Requests:
  
  If you are working in a development environment, ensure that there are no pending transport requests that might be causing conflicts with function module names.
  
  
  
  Consult Documentation:
  
  If you are unsure about naming conventions or how to proceed, consult your organization's development guidelines or documentation.
  
  
  
  Related Information:
  
  Function Module Naming Conventions: Familiarize yourself with the naming conventions used in your organization or project to avoid future conflicts.
  SAP Development Guidelines: Review any internal guidelines for SAP development to ensure compliance with best practices.
  SAP Notes: Check SAP Notes for any known issues or additional guidance related to function module creation and naming conflicts.
  
  By following these steps, you should be able to resolve the SFDT_CODE_COMPOSER026 error and successfully create your function module with a unique name.