Fatal error: Uncaught Error: Call to undefined function NPS_Survey\add_action() in /home/samipe/public_html/wp-content/plugins/header-footer-elementor/inc/lib/nps-survey/nps-survey-plugin-loader.php:36 Stack trace: #0 /home/samipe/public_html/wp-content/plugins/header-footer-elementor/inc/lib/nps-survey/nps-survey-plugin-loader.php(47): NPS_Survey\NPS_Survey_Plugin_Loader->__construct() #1 /home/samipe/public_html/wp-content/plugins/header-footer-elementor/inc/lib/nps-survey/nps-survey-plugin-loader.php(98): NPS_Survey\NPS_Survey_Plugin_Loader::get_instance() #2 {main} thrown in /home/samipe/public_html/wp-content/plugins/header-footer-elementor/inc/lib/nps-survey/nps-survey-plugin-loader.php on line 36