Fatal error: Uncaught Error: Call to undefined function add_action() in /srv/www/cntait.org/www/site.tree/public/wp-content/plugins/jetpack/class-jetpack-gallery-settings.php:25 Stack trace: #0 /srv/www/cntait.org/www/site.tree/public/wp-content/plugins/jetpack/class-jetpack-gallery-settings.php(119): Jetpack_Gallery_Settings->__construct() #1 {main} thrown in /srv/www/cntait.org/www/site.tree/public/wp-content/plugins/jetpack/class-jetpack-gallery-settings.php on line 25