There was a problem this morning with all of Google’s services: Google Mail, Calendar, Drive, Docs, Sheets, Slides, Sites, Groups, Meet, Forms, and Keep all experienced an outage from 5:55 am - 6:55 am CST.
Users trying to sign into Screencastify or make a recording were also not able to do so, but Google services have been restored and everyone can now resume using Screencastify.