[DIvi Builder] Divi loader is loading continuously

ERROR MESSAGE – 2/wp-admin/admin-ajax.php:1 Failed to load resource: net::ERR_SPDY_PROTOCOL_ERROR

When i try to load a layout from the cloud or even from my divi library, the loader just loads continuously and when i inspect the page the error i get is that the issue is admin-ajax.php file that is not loading.

I am not able to load new layouts