How To Fix MH091 - You must use retail functions to process the material &

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 091

• Message text: You must use retail functions to process the material &

What causes this issue?

The material has been created in the retail material master. As a
result, it may be maintained only using the special retail functions
because the data will otherwise be inconsistent.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MH091 - You must use retail functions to process the material & ?

  The SAP error message MH091 ("You must use retail functions to process the material") typically occurs in the context of SAP Retail or SAP S/4HANA when trying to perform operations on materials that are defined as retail materials. This error indicates that the system expects certain retail-specific functions to be used for processing these materials.
  Cause:
  
  Material Type: The material in question is defined as a retail material (e.g., material type "ROH" for raw materials or "FERT" for finished goods) and is set up to use retail functions.
  Transaction Type: The transaction you are trying to perform (e.g., goods movement, inventory management) is not compatible with retail materials unless specific retail functions are used.
  Configuration Issues: There may be configuration settings in the system that are not aligned with the retail processes, leading to this error.
  
  Solution:
  
  
  Use Retail Transactions: Ensure that you are using the appropriate retail transactions for processing the material. For example, use transactions like:
  
  MM01 for creating retail materials.
  MM02 for changing retail materials.
  MB1A for goods issues in retail.
  MB1B for transfer postings in retail.
  
  
  
  Check Material Master Data: Verify the material master data to ensure that it is correctly set up for retail processing. Check the following:
  
  The material type and its associated views.
  The retail-specific views (like sales organization data, plant data, etc.) are properly maintained.
  
  
  
  Review Configuration: If you have access to the configuration settings, review the settings related to retail materials in the SAP IMG (Implementation Guide). Ensure that the necessary retail functions are activated and configured correctly.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific details on retail functions and how to handle retail materials.
  
  
  Contact Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert who specializes in retail solutions.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Training: If you are frequently working with retail materials, consider training on SAP Retail functionalities to better understand the processes and transactions involved.
  
  By following these steps, you should be able to resolve the MH091 error and successfully process the retail material in SAP.