Do more on the web, with a fast and secure browser!
Download Opera browser with:
i found the solution, it is called patience...let me explain: at the beginning of any video you will see the "An error ocurred bla bla bla" screen. So you just have to wait some seconds doing nothing but waiting and the video will resume immediatly. It is no more than 5 seconds acording to my brain.
I'm having the same issue. Maybe there was an update from Youtube side. What I do is that I turn off Ad Blocker at the beginning of the video and once the video ys playing, I turn it off. Is annoying but is the only workarround for me so far 
@LizbetJ TBH I installed Opera GX just a few days ago (i tried the beta so I decided to wait for a future release). I'm so happy with all the UIX, features, integrations. Common! I could even import all Firefox data no problem, addons via Google Chrome special addon...etc...All this to say that when I saw the blank screen (for me it is the "normal way to operate" because of my date of installation) I said: OMG! This is incredible! Finally, an AdBlocker that works!!! Firefox ad blocker super sucks and Opera GX is so good that almost every website I go gives me a "please turn off your Adblocker pleaseeee" pop up, which with Firefox never happened (that proofs my point).
So I feel your pain if you had a different functionality before, but common! The ads are being blocked right? If you press continue you auto skip the annoying ads! Youtube is not happy at all!! XD