How To Fix 3F002 - Same subtype already exists

3F002 - Overview

• Message type: E = Error

• Message class: 3F - Compensation Management

• Message number: 002

• Message text: Same subtype already exists

What causes this issue?

A data record with the same subtype already exists at the period of
time specified for the object that you want to maintain.

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?

Change the subtype for the record that you want to maintain.

Error message extract from SAP system. Copyright SAP SE.

3F002 - Details

• The SAP error message 3F002: Same subtype already exists typically occurs in the context of creating or modifying a subtype in the SAP system, particularly when dealing with object types or data elements in the ABAP Dictionary. This error indicates that you are trying to create a subtype that already exists for the specified object type.
  
  Cause:
  
  Duplicate Subtype: The most common cause of this error is that you are attempting to create a subtype that has already been defined in the system. Each subtype must have a unique name within its parent type.
  Incorrect Naming: You might be using a name that is too similar to an existing subtype, leading to confusion in the system.
  Transport Issues: If you are working in a transport environment, there may be inconsistencies between the development and production systems.
  
  
  Solution:
  
  Check Existing Subtypes: Before creating a new subtype, check the existing subtypes for the object type you are working