Fatal error: Uncaught Error: Call to undefined function add_action() in /srv/www/cntait.org/www/site.tree/public/wp-content/plugins/jetpack/modules/shortcodes/crowdsignal.php:54 Stack trace: #0 /srv/www/cntait.org/www/site.tree/public/wp-content/plugins/jetpack/modules/shortcodes/crowdsignal.php(729): CrowdsignalShortcode->__construct() #1 {main} thrown in /srv/www/cntait.org/www/site.tree/public/wp-content/plugins/jetpack/modules/shortcodes/crowdsignal.php on line 54