If none of the help given above works. Make a support ticket on http://Minehut.com/support or you can few the video given by SLG to help you.
Hope this helps!
This is in the wrong section. You are able to download your Minehut world by using the command /ul world (world name) that will give you a link where you can download it to your computer.
I hope this helps!
Go to your server panel and type, /op (username), and if you are wanting PermissionEx commands you need to go to the server panel and type. /pex user (username) add *
Hope this helps. Message me on discord if you have anymore questions!