Fatal error: Uncaught Error: Call to undefined function add_action() in /var/www/andovercg/staging/wp-content/plugins/smart-slider-3/Nextend/WordPress/Fail.php:8
Stack trace:
#0 {main}
thrown in /var/www/andovercg/staging/wp-content/plugins/smart-slider-3/Nextend/WordPress/Fail.php on line 8