How To Fix MDG_BS_MAT_ACCESS153 - There must be only one main EAN for Unit of Measure &1

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_BS_MAT_ACCESS - Message class for MDG Material Access Layer

• Message number: 153

• Message text: There must be only one main EAN for Unit of Measure &1

What causes this issue?

There are other main EAN already existing for Unit of Measure &V1&.

System Response

Main EAN flag is reset automatically.

How to fix this error?

If you want to set new Main EAN, firstly, you need to clear the other
Main EAN flags of Unit of Measure &V1&

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MDG_BS_MAT_ACCESS153 - There must be only one main EAN for Unit of Measure &1 ?

  The SAP error message MDG_BS_MAT_ACCESS153 indicates that there is an issue with the configuration of the main EAN (European Article Number) for a specific unit of measure (UoM) in the Material Master data. This error typically arises when there are multiple main EANs assigned to a single unit of measure, which is not allowed in the system.
  Cause:
  The error occurs due to the following reasons:
  
  Multiple Main EANs: The system has detected that more than one EAN is marked as the main EAN for the specified unit of measure.
  Data Entry Error: During the creation or modification of material data, multiple EANs may have been incorrectly set as the main EAN for the same UoM.
  Configuration Issues: There may be issues in the configuration settings related to EANs and UoMs in the Material Master.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Existing EANs:
  
  Go to the Material Master data for the affected material.
  Navigate to the EAN/UPC section and review the list of EANs associated with the unit of measure in question.
  
  
  
  Identify Main EAN:
  
  Identify which EAN should be designated as the main EAN for the specified unit of measure.
  Ensure that only one EAN is marked as the main EAN.
  
  
  
  Modify EAN Settings:
  
  If there are multiple EANs marked as main, change the settings to ensure that only one EAN is marked as the main EAN.
  You can do this by deselecting the main EAN flag for the additional EANs.
  
  
  
  Save Changes:
  
  After making the necessary adjustments, save the changes to the Material Master data.
  
  
  
  Validation:
  
  After saving, try to perform the action that triggered the error again to ensure that the issue has been resolved.
  
  
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like MM02 (Change Material) or MM03 (Display Material) to access and modify the Material Master data.
  Material Master Views: Ensure you are familiar with the relevant views in the Material Master, particularly the Basic Data and Sales views where EANs are typically maintained.
  SAP Notes: Check for any relevant SAP Notes or documentation that may provide additional insights or updates related to this error message.
  User Authorization: Ensure that you have the necessary authorizations to make changes to the Material Master data.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or refer to SAP documentation for further troubleshooting.