I have this error in chrome console:
Failed to load resource: net::ERR_BLOCKED_BY_CLIENT
https://maps.google.com/maps-api-v3/api/js/22/2/intl/es_ALL/adsense.js
Simply disabling extensions doesn't work; you can verify this by disabling your ad-blocking extension, reloading the page, and still seeing broken behavior.
The problem seems more closely related to cookies. You could delete all cookies from Google, but that is a pretty big hammer, with the downside of having to log back in to various Google properties.
Instead, you can remove the specific cookies that cause the issue:
Original link:
https://productforums.google.com/forum/#!topic/chrome/AVmQTZfwtYw
This type of errors are mostly due to an extension like Ad-block plus. Try disabling it for that website and that should fix that issue. You can also look at this question: I am getting Failed to load resource: net::ERR_BLOCKED_BY_CLIENT with Google chrome