How To Fix M3714 - The main EAN for the unit of measure & is not unique

SAP Error Message - Details

• Message type: E = Error

• Message class: M3 - Material Master

• Message number: 714

• Message text: The main EAN for the unit of measure & is not unique

What causes this issue?

You wanted to assign additional
<DS:GLOS.International_Article_Number>EANs</> to a unit of measure. You
have entered several EANs for the unit of measure, but the main EAN is
not unique because more than one EAN is selected as the main EAN.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Correct your entries by selecting only one EAN as the main EAN.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M3714 - The main EAN for the unit of measure & is not unique ?

  The SAP error message M3714 indicates that there is an issue with the main EAN (European Article Number) for a specific unit of measure (UoM) in the material master data. This error typically arises when the system detects that the EAN you are trying to assign to a material is not unique within the specified context, which can lead to confusion in inventory management and sales processes.
  Cause:
  
  Duplicate EANs: The main EAN you are trying to assign to a material is already assigned to another material or unit of measure in the system.
  Incorrect Configuration: There may be a configuration issue in the material master data settings that allows for duplicate EANs.
  Data Entry Error: A user may have mistakenly entered the same EAN for multiple materials or units of measure.
  
  Solution:
  
  
  Check Existing EANs: 
  
  Use transaction code MM03 to display the material master data and check if the EAN is already assigned to another material.
  You can also use transaction code MM02 to modify the material and check the EAN field.
  
  
  
  Assign a Unique EAN:
  
  If the EAN is indeed duplicated, you will need to assign a unique EAN to the material. This can be done by either changing the EAN of the existing material or assigning a new EAN to the material you are working on.
  
  
  
  Review Material Master Data:
  
  Ensure that the material master data is correctly maintained and that there are no unintended duplicates. This includes checking the EANs for all relevant units of measure.
  
  
  
  Consult with Your Team:
  
  If you are unsure about which EAN to use or how to resolve the duplication, consult with your inventory management or data management team to ensure that the correct EAN is assigned.
  
  
  
  Data Cleanup:
  
  If there are many duplicates, consider running a data cleanup process to identify and resolve all instances of duplicate EANs in the system.
  
  
  
  Related Information:
  
  EAN: The European Article Number is a barcode standard used for identifying products. It is essential for inventory management, sales, and logistics.
  Material Master Data: This is a central repository of information related to materials in SAP, including descriptions, units of measure, and EANs.
  Transaction Codes:
  
  MM03: Display Material
  MM02: Change Material
  MM01: Create Material
  
  
  
  By following these steps, you should be able to resolve the M3714 error and ensure that your material master data is correctly configured.