500 Server Error

A misconfiguration on the server caused a hiccup. Check the server logs, fix the problem, then try again.
URL: http://www.cityalert.com/cgi-bin/webevent/webevent.cgi?cmd=listday&y=2018&m=2&d=24&cal=cal11&token=&sb=0&cf=list&lc=listweek&swe=1&set=1&sa=0&sort=e,m,t&ws=1&sib=1&de=0&tf=0