SAP Message VL263 - Quantity ratio &3:&4 cannot be checked. Quantities &1, &2 are zero

Diagnosis
You want to check for amounts &v1& and &v2& whether they can beexpressed using the conversion ratio &v3& : &v4& = &v1& : &v2&.
Both amounts are 0, however, making the quantitative ratiomathematically undefined.
The message is meant to inform you of the situation and does notindicate an error in the business sense.