Move Cargo from
Shipment 1 to Shipment 2
First, make sure that your target/destination shipment exists. For example, if you are splitting a booking create the second booking.
Open the Cargo screen for the container you want to move
Change the shipment (booking) number to the NEW shipment number (DO NOT PRESS SAVE)
If there was change to the order fulfillment or assignment, change the fulfillment and assignment numbers to 0 for the old shipment and enter fulfillment and assignment for the new shipment.
Press Save.