When booking a shipment and getting an error such as:
InternationalInfo/Parcels/Parcel[1] weight is less than weight of content details
This generally means that there is an issue with your declared weights. Add up all the product weights, rounding to 2 decimal places, and your shipment weight should match that number.
Your Shipment weight can be changed when viewing a shipment here:
Please feel free to reach out to support if you need a hand.