I've read every post I could find about uploading a world to my server and they all quote the same unhelpful answers.
1) I uploaded through the panel. No errors appeared, but none of the files show up in File Manager and when attempting to teleport to the world I get "This world doesn't exist"
2) Zip file is too large to upload to file.io so I can't try the in-game upload. There is a 100mb max on the free version of file.io, and the world I'm trying to upload is 220mb.