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 &
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.
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.
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
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