Problem with fullscreen

[rinkusam12]

So, the problem is that whenever I click on the full-screen button on the reader it doesn't work and console output some Type Error. And another issue, I am having is that, with some books, I get a section not found error, when I try to access a section via the bookmark section

[filerun]

this

[filerun]

Fixed by updating screenfull to v4: https://github.com/sindresorhus/screenfull.js/blob/gh-pages/dist/screenfull.min.js