It took me a while to figure .
Here is how I do it.
To get a package resent when lost.
-GO to Where is my stuff page.
-Quick solutions on the left hand.
-Choose the order that have problem.
-Chat or phone.
You should get them info of.
-What item name that lost
The chat is not that bad at all. They respond pretty quick.
And They do one day shipping for the new package.