There are multiple reasons why the server might not be starting up. You should be able to see files in the File Manager tab on the website.
If you can't:
Please try going to your admin panel on Minehut.com. From here, please go to Dashboard, then Home and select STOP on your server. Once this has been done, please go to "World Settings" and hit "Repair Files".
If you can:
It is an issue with one of your plugins or configurations. Please try disabling your plugins, and repair your files in your 'Danger Zone'. Once completed, please re-enable plugins one by one. In between each plugin, launch your server and see if you get an error code. This will allow you to see what plugin is causing the issue through the process of elimination.