How To Fix GS301 - Variable & already exists

GS301 - Overview

• Message type: E = Error

• Message class: GS - Sets

• Message number: 301

• Message text: Variable & already exists

What causes this issue?

You have tried to create a variable with a name that is already used by
another variable. This is not allowed, as the variable name must be
unique.

System Response

You cannot create the variable under this name.

How to fix this error?

Select a variable name that has not been used yet.

Error message extract from SAP system. Copyright SAP SE.

GS301 - Details

• The SAP error message GS301 ("Variable & already exists") typically occurs when you are trying to create a variable in a query or report that has the same name as an existing variable. This can happen in various SAP modules, particularly in SAP BW (Business Warehouse) or SAP Query.
  
  Cause:
  
  Duplicate Variable Name: The most common cause of this error is that you are attempting to create a new variable with a name that is already in use within the same context (e.g., in the same InfoObject, query, or report).
  Namespace Conflicts: If you are working in a system where multiple developers are creating variables, there may be conflicts in naming conventions.
  Transport Issues: If variables were transported from another system, they may already exist in the target system.
  
  
  Solution:
  
  Check Existing Variables: Before creating a new variable, check the list of existing variables to ensure that the name you want to use is not already