Hello. Do not tell me which way to dig? The plugin runs on a clean homepage flawlessly. On the same no. https://xn--80aaafcmcb6evaidf6r.xn--p1ai/%d0%b3%d0%b0%d0%b7%d0%b5%d1%82%d0%b0-pdf/pdf-%d1%81%d0%b5%d0%b2%d0%b5%d1%80%d0%bd%d0%b0%d1%8f-%d0%bf%d1%80%d0%b0%d0%b2%d0%b4%d0%b0
Ajax fails:
Request URL: https://xn--80aaafcmcb6evaidf6r.xn--p1ai/wp-admin/admin-ajax.php?action=fb3d_send_book_control_props Referrer Policy: no-referrer-when-downgrade because of your domain xn--80aaafcmcb6evaidf6r.xn--p1ai
Allow CORS