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Message type: E = Error
Message class: MR - Stock overview for generic materials
Message number: 015
Message text: Reference to classification missing for generic material &
You are using a generic material for which no data exists in the
classification system. There must be a serious database inconsistency.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Notify your system administrator.
Error message extract from SAP system. Copyright SAP SE.
MR015
- Reference to classification missing for generic material & ?The SAP error message MR015, which states "Reference to classification missing for generic material," typically occurs in the context of materials management and classification in SAP. This error indicates that the system is unable to find the necessary classification data for a generic material when trying to perform certain operations, such as creating a purchase order or processing a material document.
Cause:
- Missing Classification Data: The generic material does not have the required classification data assigned to it. This can happen if the material was created without the necessary classification or if the classification data was deleted or not maintained properly.
- Incorrect Material Type: The material type may not be set up to allow classification, or the material may not be correctly defined as a generic material.
- Configuration Issues: There may be issues with the configuration of the classification system in SAP, such as missing classes or characteristics.
Solution:
Check Material Master:
- Go to the material master record for the generic material (transaction code MM03).
- Verify if the classification data is present. If not, you may need to add the necessary classification data.
Assign Classification:
- If the material is supposed to be classified, ensure that it is assigned to the correct class and that all required characteristics are filled out.
- You can do this using transaction code CL02 (Change Class) to assign the material to the appropriate class.
Review Material Type Settings:
- Check the material type settings in the configuration (transaction code OMS2) to ensure that it allows for classification.
Check Configuration:
- Ensure that the classification system is properly configured. This includes checking that the classes and characteristics are correctly defined and active.
Consult Documentation:
- Review SAP documentation or consult with your SAP support team for specific guidance related to your system configuration and setup.
Testing:
- After making the necessary changes, test the process again to ensure that the error does not occur.
Related Information:
If the issue persists after following these steps, it may be beneficial to engage with your SAP support team or consult SAP community forums for further assistance.
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