Message type: E = Error
Message class: /SAPAPO/MC01 -
Message number: 409
Message text: Reference product has not been classified
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/SAPAPO/MC01409
- Reference product has not been classified ?The SAP error message /SAPAPO/MC01409 indicates that a reference product has not been classified in the system. This error typically occurs in the context of Advanced Planning and Optimization (APO) when trying to perform operations that require classification data for a product.
Cause: The primary cause of this error is that the reference product you are trying to use in your planning process has not been assigned to a classification system or does not have the necessary classification data. This can happen if: The product was created without classification data. The classification data was deleted or not maintained properly. The product is not assigned to a class in the classification system.
Solution: To resolve this error, you can follow these steps: Check Product Classification: Go to the product master data in SAP (transaction code CMM1 for creating a class or CMM2 for changing a class). Verify if the reference product is assigned to a classification class. Assign Classification: If the product is
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