Fatal error: Uncaught Error: Call to undefined function add_action() in /users/laufgruppe-lvb/www/wordpress/wp-content/plugins/eventON_ALT/includes/integration/class-intergration-visualcomposer.php:9 Stack trace: #0 /users/laufgruppe-lvb/www/wordpress/wp-content/plugins/eventON_ALT/includes/integration/class-intergration-visualcomposer.php(172): evo_vc_intergration->__construct() #1 {main} thrown in /users/laufgruppe-lvb/www/wordpress/wp-content/plugins/eventON_ALT/includes/integration/class-intergration-visualcomposer.php on line 9