You’re probably on the original NA01 shard, though there’s a chance your browser isn’t showing the redirect. ( FAQ: How to find out what “shard” (cloud slice IDE URL) your Account / Location is on? ) has a bit more info.
Check the various tabs and if your Devices, Locations, Live Logging, etc. are all there you probably are in the right place, despite my guess of what’s wrong.
I’ve seen some chatter that SmartThings have some current issues with SmartApp self-publishing for some reason. Doesn’t hurt to email: Support@SmartThings.com