Fatal error: Uncaught Error: Call to undefined function add_action() in /usr/www/users/dalc/wp-content/plugins/jetpack/modules/shortcodes/crowdsignal.php:54 Stack trace: #0 /usr/www/users/dalc/wp-content/plugins/jetpack/modules/shortcodes/crowdsignal.php(722): CrowdsignalShortcode->__construct() #1 {main} thrown in /usr/www/users/dalc/wp-content/plugins/jetpack/modules/shortcodes/crowdsignal.php on line 54