Fatal error: Uncaught Error: Call to undefined function NPS_Survey\add_action() in /var/www/andovercg/staging/wp-content/plugins/ultimate-addons-for-gutenberg/lib/nps-survey/nps-survey-plugin-loader.php:48 Stack trace: #0 /var/www/andovercg/staging/wp-content/plugins/ultimate-addons-for-gutenberg/lib/nps-survey/nps-survey-plugin-loader.php(35): NPS_Survey\NPS_Survey_Plugin_Loader->__construct() #1 /var/www/andovercg/staging/wp-content/plugins/ultimate-addons-for-gutenberg/lib/nps-survey/nps-survey-plugin-loader.php(97): NPS_Survey\NPS_Survey_Plugin_Loader::get_instance() #2 {main} thrown in /var/www/andovercg/staging/wp-content/plugins/ultimate-addons-for-gutenberg/lib/nps-survey/nps-survey-plugin-loader.php on line 48