Is QR generator broken in Firefox or it's just me?

I’m trying to set up 2FA with an authentication app but the page that it’s meant to display the QR code, doesn’t. I use latest stable Firefox version on Windows 10 Home.

JavaScript console is a flood of messages as in any other modern website, but there’s an error like:

Unhandled error in angular TypeError: window.QRious is not a constructor

I’d rather not type the 32-char code in my smartphone if I can avoid it, plus I don’t feel confident with enabling the feature if Firefox is not fully supported.

Sorry if this has been asked before but the forum software does not allow to search for “QR”.

Never mind… The trick was to try a few more times.

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