SAP Message WRF_APC354 - Assigned quantities do not match planned quantities for PL item &1 &2

Diagnosis
The difference between the planned and assigned quantities for a keyfigure and an assortment is greater than the tolerance percentage.

System Response
It might be impossible to release your purchasing list item.

Procedure
Review your planned quantities or your prepack/variant assignments.
You can view all quantity differences in the Compare Planned andAssigned Quantities window.