How To Fix MH236 - The main EAN for supplier &, unit of measure &, material & is not unique

MH236 - Overview

• Message type: E = Error

• Message class: MH - Maintain Material Master Data (Retail)

• Message number: 236

• Message text: The main EAN for supplier &, unit of measure &, material & is not unique

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MH236 - The main EAN for supplier &, unit of measure &, material & is not unique ?

  The SAP error message MH236 indicates that there is a problem with the uniqueness of the main EAN (European Article Number) for a specific supplier, unit of measure, and material. This error typically arises when you are trying to create or update a material master record, and the system finds that the EAN you are trying to assign is already associated with another material or supplier combination.
  
  Cause:
  
  Duplicate EAN: The main EAN you are trying to assign to the material is already in use for another material or supplier combination in the system.
  Incorrect Data Entry: There may have been a mistake in entering the EAN, leading to a conflict with existing records.
  Data Migration Issues: If data was migrated from another system, duplicates may have been introduced.
  
  
  Solution:
  
  
  Check Existing EANs: 
  
  Use transaction code MM03 (Display Material) to check if the EAN is already assigned to another material. 
  You can also use transaction MM02