breaking the site

Conditional query tags do not work before the query is run. Before then, they always return false. Please see <a href="https://www.ads-software.com/support/article/debugging-in-wordpress/">Debugging in WordPress</a> for more information. (This message was added in version 3.1.0.) in ./wp-includes/functions.php on line 5167

in plain words the is_single, and is_feed is called too soon and breaks the head script to be correctly injected, therefore breaking the whole page head.

./wp-content/plugins/ginger/front/gingerfront.core.php: if (is_feed()) return;