How To Fix SGSUB002 - &1 is already defined as data type in &2 &3 from &4

SGSUB002 - Overview

• Message type: E = Error

• Message class: SGSUB - Central Storage for Data Types and BAdIs

• Message number: 002

• Message text: &1 is already defined as data type in &2 &3 from &4

What causes this issue?

The name &V1& is already used for a data type in &V2& &V3& from the ABAP
system &V4&.
Both object types are in the common <DS:TX.DD_GSUBT_NAMESPACE>namespace
for global types</>; therefore, you have a name conflict here.

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?

Create the object under a different name.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

SGSUB002 - Details

• The SAP error message SGSUB002 indicates that there is a conflict in the definition of a data type in the context of ABAP programming. Specifically, it means that a data type (or structure) is already defined in the specified context, which is causing a naming conflict.
  
  Cause:
  The error typically arises due to one of the following reasons:
  
  Duplicate Definition: The data type you are trying to define has already been defined elsewhere in the program or in the included programs.
  Namespace Conflict: If you are working in a system with multiple namespaces, there might be a conflict between different namespaces.
  Inclusion of Multiple Programs: If you are including multiple programs or function groups that define the same data type, this can lead to this error.
  Changes in Data Dictionary: If there have been recent changes in the data dictionary (like adding or modifying data types), it might lead to conflicts.
  
  
  Solution:
  To resolve the error, you can