So many commenters here are missing the point entirely. It’s not an
issue in the sellers method of creating the listing, and it’s not a
glitch in ebays system. eBay straight up sends me messages every other
day that they’ve altered my listings. I’ve ...
When the shipping page comes up, there should be a link that says "my
package is above the size limits"- click on that and it takes you back
to the classic shipping view where you can change the carrier and size
details.