How To Fix WRF_APC310 - EAN &1 already exists for material &2

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_APC - Messages for Operational Assortment Planning and Control

• Message number: 310

• Message text: EAN &1 already exists for material &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WRF_APC310 - EAN &1 already exists for material &2 ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WRF_APC310: EAN &1 already exists for material &2
  
  Meaning / Cause:
  This error occurs when you try to assign or create a new EAN (European Article Number, also known as GTIN - Global Trade Item Number) for a material, but the EAN you are trying to assign is already assigned to another material in the system.
  
  EAN &1 = The EAN number you are trying to assign.
  Material &2 = The material number you are trying to assign the EAN to.
  
  In other words, the system prevents duplicate assignment of the same EAN to multiple materials because EANs must be unique identifiers for products.
  
  Why does this happen?
  
  EANs are unique product identifiers used globally.
  SAP enforces uniqueness of EANs across materials to avoid confusion in logistics, sales, and inventory.
  If an EAN is already assigned to a material, you cannot assign it to another material unless you remove it from the first.
  
  
  How to check:
  
  Use transaction MM03 (Display Material) to check the material master data.
  Go to the Additional Data tab or EAN/UPC tab to see assigned EANs.
  Use transaction MMBE or SE16N on table MARA or MARC or EAN/UPC related tables like MARM or EAN (table EAN or MARM depending on SAP version) to find which material currently holds the EAN.
  
  
  Solution / Resolution:
  
  
  Verify the EAN assignment:
  
  Check which material currently has the EAN assigned.
  Confirm if the EAN is correctly assigned or if it was assigned by mistake.
  
  
  
  If the EAN is wrongly assigned:
  
  Remove the EAN from the incorrect material.
  Then assign it to the correct material.
  
  
  
  If the EAN should be unique but is assigned to multiple materials:
  
  Correct the data to ensure uniqueness.
  Possibly consult with master data governance or business process owners.
  
  
  
  If you want to assign the same EAN to multiple materials (not recommended):
  
  This is generally not allowed due to business rules.
  You may need to review your business process or consult with SAP support for a workaround, but this is not standard practice.
  
  
  
  
  Additional Information:
  
  EANs are critical for barcode scanning, sales, and inventory management.
  Duplicate EANs can cause issues in sales orders, deliveries, and reporting.
  Always maintain clean and unique master data.
  If you are using SAP S/4HANA or ECC, the tables and transactions remain similar but check your system version for exact details.
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Error
  WRF_APC310: EAN &1 already exists for material &2
  
  
  Cause
  EAN is already assigned to another material.
  
  
  Solution
  Remove EAN from the existing material before assigning it to a new one.
  
  
  Check with
  MM03, SE16N on EAN tables, master data governance.
  
  
  
  
  If you need help with specific transaction codes or steps to remove or assign EANs, feel free to ask!