This is an exploit, not an OOM or something like that. On this day people were going around purposely crashing servers with an exploit patched in the latest version.
Hey there, if you're still having issues please create a support ticket from the email that you're trying to make a server with.
You can create a support ticket by emailing support@minehut.com or by visiting https://minehut.zendesk.com/hc/en-us/requests/new