Failed to construct 'PresentationRequest': The document is sandboxed and lacks the 'allow-presentation' flag.

[artrayd]

In the begining everything worked well, but now I get this error:

Failed to construct 'PresentationRequest': The document is sandboxed and lacks the 'allow-presentation' flag.

[janpansa]

I get the same issue when navigating back to the window with the video on...

[VictorLeach96]

I got the same issue, maybe because of my content security policy?

[artrayd]

Maybe something changed at youtube side, because in the beginning I had no such error.