How To Fix FL168 - & is already declared as a parameter in &

FL168 - Overview

• Message type: E = Error

• Message class: FL - Function Builder messages

• Message number: 168

• Message text: & is already declared as a parameter in &

What causes this issue?

The name of a table parameter in a function module with a global
interface is already defined as an import or export parameter in
another or the same function module with global interface.

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

System Response

How to fix this error?

Change the name of your table parameter so that it differs from the
import or export parameter by at least one character. Then, repeat your
action.

Error message extract from SAP system. Copyright SAP SE.

FL168 - Details

• The SAP error message FL168 typically indicates that there is a naming conflict in your ABAP program or function module. Specifically, it means that a variable or field name has been declared more than once in the same scope, which is not allowed in ABAP.
  
  Cause:
  The error occurs when:
  
  A parameter name in a function module or method is the same as a variable name declared in the same scope.
  You have declared a parameter in the interface of a function module or method that has the same name as a local variable or field in the implementation.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Rename Variables or Parameters: Change the name of either the parameter or the local variable to ensure that they are unique within the same scope. This is the most straightforward solution.
  
  
  Check Function Module/Method Interface: Review the interface of the function module or method to ensure that the