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.