One of more parcels weights less than 30 kilos but exceeds some of these dimensions: width 70 cm. x length 120 cm. x height 60 cm. In these cases the carrier applies an extra charge of 16.50 € per shipment.
One of more parcels exceeds one of the next dimensions: width 120 cm. x length 240 cm. x height 180 cm. In these cases the carrier applies an extra charge of 36.30 € per shipment.
You indicated that your shipment contains some parcel that is not stackable, hence it is not possible to place any other parcel on top of it. In there cases the carrier applies an extra charge of 36.60 € per shipment for International shipments, and 0.05 € per kilo, with a minimum of 5 € per shipment for National.
You can continue with your shipment but keep these details in mind.