How To Fix UD329 - This specialization already exists

UD329 - Overview

• Message type: E = Error

• Message class: UD - EDM - Enterprise Data Model

• Message number: 329

• Message text: This specialization already exists

What causes this issue?

You have tried to create a specialization that already exists.

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?

Check the names of the participating entity types and of the
specialization category.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UD329 - This specialization already exists ?

  The SAP error message UD329, which states "This specialization already exists," typically occurs in the context of the SAP system when you are trying to create or modify a specialization (such as a variant or a specific configuration) that already exists in the system. This can happen in various modules, including SAP Product Lifecycle Management (PLM) or SAP Advanced Planning and Optimization (APO).
  
  Cause:
  
  Duplicate Entry: The most common cause of this error is that the specialization you are trying to create already exists in the system. This could be due to a previous entry that was not properly deleted or a misunderstanding of the existing configurations.
  Data Consistency: There may be issues with data consistency in the database, leading to the system recognizing an entry that should not exist.
  User Permissions: Sometimes, user permissions may restrict the ability to view existing specializations, leading to attempts to create duplicates.
  
  
  Solution:
  
  Check Existing Specializations: Before creating a