How To Fix IUID121 - Parent UII and UII are identical; parent UII must be different to UII

IUID121 - Overview

• Message type: E = Error

• Message class: IUID - Messages Class for Unique Item Identification

• Message number: 121

• Message text: Parent UII and UII are identical; parent UII must be different to UII

Self-Explanatory Message

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IUID121 - Details

• The SAP error message IUID121 indicates that there is an issue with the Unique Item Identifier (UII) in the context of the Integrated Unique Item Identifier (IUID) functionality. Specifically, this error occurs when the parent UII and the child UII are identical, which is not allowed. The parent UII must be different from the child UII to maintain the integrity of the hierarchical relationship between items.
  
  Cause:
  The error arises when:
  
  You are trying to create or update an item in the IUID system where the parent UII is the same as the child UII.
  This typically happens during the creation of a new item or when associating a child item with a parent item in the IUID hierarchy.
  
  
  Solution:
  To resolve the IUID121 error, you should:
  
  Check the UII Values: Verify the UII values you are using for both the parent and child items. Ensure that they are distinct and that the parent UII is not