Many errors in theme demo

Hello guys! Someone can help me with that erros on the theme?
There are show in console in Chrome on my site and Demo theme too.

Failed to load resource: the server responded with a status of 499 ()
index.js:63 Uncaught TypeError: Cannot read property ‘nodeName’ of null
at _e (index.js:63)
at MutationObserver.<anonymous> (index.js:63)
5Ve4lAcw11o:1 Uncaught (in promise) Object
index.js:1 Uncaught (in promise) Object
index.js:1 Uncaught (in promise) Object
(index):1 Uncaught (in promise) Object
index.html:1 Uncaught (in promise) Object
index.js:1 Uncaught (in promise) Object
googleads.g.doubleclick.net/pagead/id?slf_rd=1:1 Failed to load resource: net::ERR_TOO_MANY_REDIRECTS
www-embed-player.js:522 GET https://googleads.g.doubleclick.net/pagead/id?slf_rd=1 net::ERR_TOO_MANY_REDIRECTS
ig @ www-embed-player.js:522
hg @ www-embed-player.js:509
(anonymous) @ www-embed-player.js:807
O @ www-embed-player.js:370
Vj @ www-embed-player.js:804
(anonymous) @ www-embed-player.js:822
(anonymous) @ www-embed-player.js:444
www-embed-player.js:522 GET https://googleads.g.doubleclick.net/pagead/id?slf_rd=1 net::ERR_TOO_MANY_REDIRECTS