SAP Message XU043 - Item &: UnE was replaced by the product un & (can be overwritten)

Diagnosis
You have entered a quantity in an alternative unit of measure withconversion to the base unit of measure at material level. In thematerial master, processing using product units is to be carried outfor this material.

System Response
Your entry has been converted to the base unit of measure and theprincipal product unit.

Procedure
Check the quantities and correct them if necessary. You can alsooverwrite the proposed unit of entry again if you want to post thedocument in the original unit of measure.