am having trouble logging in shhadauxscape on silab if i lagg 4 times i cna't get on after i tried everything but it won't work

if you are getting "your account is already logged in, then wait 30 minutes and try again, sometimes, if someone tries to go into an invalid waypoint(up a ladder, or into a portal with a broken case) then it throws everyone else of server until my auto-restarter program re-starts server.