SAP Message RU447 - A serial number must be assigned to material & in plant &

Diagnosis
In the material master in the warehouse view, a serial number profileis entered for which a serial number is required.

Procedure
Materials that require a serial number cannot be posted from aconfirmation using automatic goods movements. They can only be postedusing the inventory management transactions.
You must remove the resulting error record from the listAutomatic goods receipt error handling with the"Delete" function. You cannot carry out error handling here.