SAP Message XU045 - GR with ref. to doc.: The UnE was replaced for at least one item

Diagnosis
In the reference document (order/purchase order), you have entered aquantity in an alternative unit of measure with conversion to the baseunit of measure at material level. In the material master, productunits are used to carry out processing for 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 enter thedcoument in the original unit of measure