What should I do if nothing from the Google aps are working?

[AC Question]

This question might have a similarity to something else's, but what happens when every Google app (that was preinstalled) stops working? I'm not sure if it's my phone or just a bad day for Google, but apps like YouTube, Google Plus, The Google App Store, etc. have not been working for the past couple of hours. My internet connection is fine and no firewalls should be there to prevent me from that access to those apps, and I keep getting the same notification. May you send suggestions plz? (And yes, I already tried turning it off and on again lol)