Well... i have a kinda big server though i havent been on in around 1 week or smthn and minehut had changed the version from 1.16.5 to 1.17.1 automatically and my most important plugin (crazy enchantments) doesnt work in 1.17.1 but when i try to go back to 1.16.5 the server wont start and i get this error in the console; https://pastebin.com/UfFcyzBc
this is the whole logs; https://pastebin.com/iw7iJnFK
in game i get this "Unable to connect you to [IP]. Please try again later"