Message SAP WT207 - Problem converting unit of measure &3 for customer &1, material &2

Diagnosis
A follow-on document was created for customer &v1& and material &v2&.When the system rounded off the quantity, a unit of measure was to beused that was unknown to the system. The stock could therefore not beincreased by this amount.

System Response
The stock of material &v2& at customer &v1& was not changed.

Procedure
Check if a follow-on document was created for customer &v1& andmaterial &v2& and increase the stock manually by the quantityordered/delivered.