All site ajax returns "Unexpected token < in JSON at position 0". Plugins, updates, editor don't work.

Dashbord widget loads home page: There are no problems on another server.

  • And what does the server return for these AJAX requests? – Krzysiek Dróżdż Jul 17 '18 at 20:59
  • @krzysiek-dróżdż html of home page – Yurii Kinakh Jul 17 '18 at 21:17
  • so it’s not JSON. But AJAX request shouldn’t return html, so something is not ok with your site... – Krzysiek Dróżdż Jul 17 '18 at 21:19

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