404 Error to Login and Warning Connection Not Private on Changelog

Expected Behavior I should be able to log in and on our site, see the change log. Current Behavior At 10:48 PM EST, on our site, sudowrite.com I received a warning that the changelog link was not safe and I was unable to log into sleekplan, I kept getting a 404 error. Possible Solution Steps to Reproduce Not sure, looks like maybe an intermittant outage? But unnerving that warning on the changelog was front facing to our customers. Context (Environment)