@RGaskin, there are no mysteries, just too little information…
sudo nextcloud.occ config:list
you’re not giving us the information we need. so run the the debugging script and post the result here.
correct, if you’re referring to this Backup, restore & migrate wiki.
nope, but be patient and give us some information to be able to help you… worst case would be you’re migrating the issue to your new instance…