How To Fix WES_OUTBOUND121 - No EAN could be defined for material &1 and unit of measure &2

SAP Error Message - Details

• Message type: E = Error

• Message class: WES_OUTBOUND - Messages for Outbound Services

• Message number: 121

• Message text: No EAN could be defined for material &1 and unit of measure &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WES_OUTBOUND121 - No EAN could be defined for material &1 and unit of measure &2 ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WES_OUTBOUND121 No EAN could be defined for material &1 and unit of measure &2
  
  Meaning / Cause:
  This error occurs when the system tries to determine an EAN (European Article Number, also known as GTIN - Global Trade Item Number) for a specific material and unit of measure but fails to find a valid EAN assigned in the system.
  
  The EAN is typically required for outbound processes such as shipping, labeling, or EDI (Electronic Data Interchange) messages.
  The system looks for an EAN that matches both the material number and the unit of measure (UoM).
  If no EAN is maintained for the combination of material and UoM, the system cannot proceed and throws this error.
  
  
  Common Scenarios:
  
  Outbound delivery processing where EAN is mandatory.
  EDI or IDoc processing where EAN is required for material identification.
  Label printing or barcode generation where EAN is needed.
  Integration with warehouse management or logistics systems requiring EAN.
  
  
  Solution / How to Fix:
  
  
  Check if EAN is maintained for the material and UoM:
  
  Go to transaction MM03 (Display Material).
  Enter the material number.
  Navigate to the Additional Data tab.
  Select EAN/UPC tab.
  Verify if an EAN is maintained for the relevant unit of measure.
  
  
  
  Maintain EAN if missing:
  
  Use transaction MM02 (Change Material).
  Go to the Additional Data ? EAN/UPC tab.
  Add the correct EAN for the material and the specific unit of measure.
  Save the changes.
  
  
  
  Check the unit of measure:
  
  Ensure that the unit of measure used in the outbound process matches the one for which the EAN is maintained.
  If the UoM differs, either maintain an EAN for that UoM or adjust the process to use a UoM for which an EAN exists.
  
  
  
  If multiple EANs exist:
  
  Confirm that the correct EAN is selected based on the business rules.
  Sometimes, the system might pick the wrong EAN if multiple exist; check configuration or custom logic.
  
  
  
  Check Customizing / Configuration:
  
  In some cases, the determination of EAN might be influenced by custom code or user exits.
  Review any enhancements or BAdIs related to EAN determination.
  
  
  
  
  Additional Information:
  
  EAN/UPC codes are stored in the material master and are essential for barcode scanning and identification.
  The EAN is linked to a specific unit of measure because the barcode represents a specific packaging or quantity.
  If your business process involves multiple packaging levels (e.g., each, box, pallet), each level should have its own EAN.
  The error message text is from the WES_OUTBOUND message class, which is related to outbound delivery or warehouse processes.
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Error
  No EAN could be defined for material &1 and unit of measure &2
  
  
  Cause
  Missing EAN for the material and UoM combination in material master
  
  
  Solution
  Maintain the EAN for the material and UoM in MM02 ? Additional Data ? EAN/UPC tab
  
  
  Transaction
  MM02 (Change Material), MM03 (Display Material)
  
  
  Related Areas
  Outbound delivery, EDI, barcode labeling, warehouse management
  
  
  
  
  If you need help with the exact steps to maintain EAN or further troubleshooting, feel free to ask!