3D FlipBook - Flipbooks have stopped working with message UnknownErrorException: Failed to fetch

r***s@thamesidemedia.com
2020-07-03
2020-07-04

I've been using Flipbooks successfully on a couple of sites for months. But they have stopped working on one site with error message: UnknownErrorException: Failed to fetch

The console says Access to fetch at '[the PDF URL]' from origin '[my website]' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource. If an opaque response serves your needs, set the request's mode to 'no-cors' to fetch the resource with CORS disabled.

I have tried turning off all plugins and changing the theme but still getting the message.

Replies

a***r@3dflipbook.net
2020-07-04
2020-07-04

You changed domain or protocol (HTTP/HTTPS) so got this. Check your ajaxurl

r***s@thamesidemedia.com
2020-07-04
2020-07-04

Thank you, it's sorted

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