How To Fix /SAPAPO/MAT167 - Main GTIN/EAN for the UoM &1 is not unique; the system deletes duplicates

/SAPAPO/MAT167 - Overview

• Message type: E = Error

• Message class: /SAPAPO/MAT -

• Message number: 167

• Message text: Main GTIN/EAN for the UoM &1 is not unique; the system deletes duplicates

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/MAT167 - Main GTIN/EAN for the UoM &1 is not unique; the system deletes duplicates ?

  The SAP error message /SAPAPO/MAT167 indicates that there is a problem with the Global Trade Item Number (GTIN) or European Article Number (EAN) associated with a specific Unit of Measure (UoM) in the Advanced Planning and Optimization (APO) module. The error states that the GTIN/EAN for the specified UoM is not unique, which means that there are multiple entries for the same GTIN/EAN in the system, leading to ambiguity.
  
  Cause:
  
  Duplicate Entries: The primary cause of this error is the presence of duplicate GTIN/EAN entries for the same material and UoM in the system. This can happen due to data entry errors, incorrect data uploads, or inconsistencies in master data management.
  Incorrect Master Data Configuration: If the master data for materials is not properly maintained, it can lead to multiple GTIN/EANs being assigned to the same UoM.
  Data Migration Issues: During data migration from legacy systems to SAP, duplicates may be introduced if the