How To Fix KW343 - Parameter & is already assigned to another ABAP-parameter

KW343 - Overview

• Message type: E = Error

• Message class: KW - CO-ABC Activity-Based Costing

• Message number: 343

• Message text: Parameter & is already assigned to another ABAP-parameter

What causes this issue?

The parameter &V1& is already being used for the ABAP-Parameter &V2& in
the environment &V3&.

System Response

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

How to fix this error?

Please choose another parameter name for the ABAP-Parameter &V4&.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

KW343 - Details

• The SAP error message KW343 indicates that a parameter you are trying to assign in your ABAP program is already assigned to another parameter. This typically occurs when you are working with function modules, methods, or subroutines and you attempt to use the same parameter name for different purposes within the same scope.
  
  Cause:
  
  Duplicate Parameter Names: You have defined a parameter with the same name in the same context (e.g., in a function module or method) that is already being used by another parameter.
  Scope Conflicts: The parameter might be defined in a broader scope (like a global variable) and you are trying to redefine it in a more local scope (like a method or function).
  Incorrect Parameter Mapping: When calling a function module or method, if you are trying to map parameters incorrectly, it can lead to this error.
  
  
  Solution:
  
  Rename Parameters: The simplest solution is to rename the conflicting parameter to ensure that