How To Fix /SAPAPO/MAT168 - GTIN/EAN &1 is already used for product &2

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/MAT -

• Message number: 168

• Message text: GTIN/EAN &1 is already used for product &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/MAT168 - GTIN/EAN &1 is already used for product &2 ?

  The SAP error message /SAPAPO/MAT168 GTIN/EAN &1 is already used for product &2 typically occurs in the SAP Advanced Planning and Optimization (APO) module when there is an attempt to assign a Global Trade Item Number (GTIN) or European Article Number (EAN) to a product that is already associated with another product in the system.
  Cause:
  
  Duplicate GTIN/EAN Assignment: The GTIN/EAN you are trying to assign is already linked to a different product in the SAP system. Each GTIN/EAN must be unique to a single product.
  Data Migration Issues: If data was migrated from another system, there may be duplicates that were not cleaned up.
  Incorrect Product Configuration: The product configuration might not be set up correctly, leading to conflicts in GTIN/EAN assignments.
  
  Solution:
  
  Check Existing Assignments: Use transaction codes like /SAPAPO/MAT1 or /SAPAPO/MAT2 to check the existing assignments of GTIN/EAN in the system. Identify which product is currently using the GTIN/EAN you are trying to assign.
  Reassign or Remove: If the GTIN/EAN is indeed assigned to another product and you need to use it for a different product, you will need to either:
  
  Remove the GTIN/EAN from the existing product (if it is no longer needed).
  Assign a different GTIN/EAN to the product you are trying to update.
  
  
  Data Cleanup: If this issue arises from data migration, consider performing a data cleanup to ensure that all GTIN/EANs are unique and correctly assigned.
  Consult Documentation: Review SAP documentation or consult with your SAP support team for specific guidelines on managing GTIN/EAN assignments.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to GTIN/EAN handling in your version of SAP APO.
  Master Data Management: Ensure that your master data management practices are robust to prevent such issues in the future.
  Training and Guidelines: Provide training for users on how to manage product data and GTIN/EAN assignments to avoid conflicts.
  
  By following these steps, you should be able to resolve the error and ensure that GTIN/EAN assignments are managed correctly in your SAP system.