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Message type: E = Error
Message class: MH - Maintain Material Master Data (Retail)
Message number: 159
Message text: Specify the main EAN for the supplier & and unit of measure &
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MH159
- Specify the main EAN for the supplier & and unit of measure & ?The SAP error message MH159 typically occurs in the context of material management and procurement processes, particularly when dealing with materials that have multiple units of measure or when integrating supplier information. This error indicates that the system requires a main European Article Number (EAN) for the specified supplier and unit of measure.
Cause:
- Missing EAN: The main EAN for the material is not specified in the material master data.
- Unit of Measure Issues: The unit of measure for the material may not be correctly defined or linked to the supplier.
- Supplier Data: The supplier data may be incomplete or not properly maintained in the system.
- Material Master Configuration: The material master record may not have been set up correctly to include the necessary EAN and unit of measure information.
Solution:
Check Material Master Data:
- Go to the material master record (transaction code MM03).
- Ensure that the EAN is specified in the relevant views (e.g., Basic Data, Purchasing).
- If the EAN is missing, you can add it by editing the material master (transaction code MM02).
Verify Unit of Measure:
- Ensure that the unit of measure is correctly defined in the material master.
- Check the conversion factors if multiple units of measure are used.
Supplier Information:
- Check the supplier master data (transaction code XK03 or MK03).
- Ensure that the supplier is correctly linked to the material and that all necessary fields are filled out.
Maintain EAN for Supplier:
- If the EAN is specific to a supplier, ensure that it is maintained in the supplier's data for the specific material.
Consult Documentation:
- Review SAP documentation or help files for additional context on handling EANs and units of measure.
Testing:
- After making the necessary changes, test the process again to ensure that the error no longer occurs.
Related Information:
Transaction Codes:
SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
User Roles: Ensure that the user has the necessary permissions to make changes to the material and supplier master data.
By following these steps, you should be able to resolve the MH159 error and ensure that the necessary EAN and unit of measure information is correctly maintained in your SAP system.
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