How To Fix MH155 - Order unit cannot be determined for EAN search

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 155

• Message text: Order unit cannot be determined for EAN search

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 MH155 - Order unit cannot be determined for EAN search ?

  The SAP error message MH155 ("Order unit cannot be determined for EAN search") typically occurs when the system is unable to find the appropriate order unit for a product based on its European Article Number (EAN) during a search or transaction. This can happen for several reasons, and here are some common causes, solutions, and related information:
  Causes:
  
  Missing Master Data: The material master data may not be fully maintained. Specifically, the order unit or EAN might not be defined for the material.
  Incorrect EAN: The EAN being searched may not be correctly entered or may not exist in the system.
  Material Status: The material might be inactive or not available for the transaction being performed.
  Configuration Issues: There may be issues with the configuration settings related to EANs or order units in the system.
  
  Solutions:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03) and verify that the EAN is correctly maintained in the relevant views (e.g., Basic Data, Sales, Purchasing).
  Ensure that the order unit is defined and correctly set up in the material master.
  
  
  
  Verify EAN Entry:
  
  Double-check the EAN you are using for the search. Ensure it is entered correctly and matches the format expected by the system.
  
  
  
  Review Material Status:
  
  Check if the material is active and available for the transaction. If the material is blocked or inactive, it may need to be reactivated.
  
  
  
  Configuration Check:
  
  Consult with your SAP configuration team to ensure that the settings for EANs and order units are correctly configured in the system. This may involve checking the relevant customizing settings in SPRO.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for any specific notes or guidelines related to EAN and order unit configuration.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM03 (Display Material), MM02 (Change Material), and MM01 (Create Material) for managing material master data.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for notes in the SAP Support Portal.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to view and edit material master data.
  
  If the issue persists after checking these areas, it may be beneficial to involve your SAP support team or consult with SAP support for further assistance.