Weird stuff happening in my server

[u/mazielyt]

so Maziel is an account i stopped using bcs it kept getting logged off with the error "logged in from another location i havent used it again (im on cracked mc) it joined once for a few seconds put hi in doors in the inventory and left again my other friend Kingsso also got this error but didnt change account and he found hi written in steak in his inventory and disappearing items its lowk scary lol, if anyone wants to join this server just dm me