Fatal error: Uncaught Error: Call to undefined function add_action() in /home/preserco/public_html/demos/grupoGBE/wp-content/plugins/astra-addon/addons/advanced-search/classes/class-astra-ext-adv-search-markup.php:44 Stack trace: #0 /home/preserco/public_html/demos/grupoGBE/wp-content/plugins/astra-addon/addons/advanced-search/classes/class-astra-ext-adv-search-markup.php(33): Astra_Ext_Adv_Search_Markup->__construct() #1 /home/preserco/public_html/demos/grupoGBE/wp-content/plugins/astra-addon/addons/advanced-search/classes/class-astra-ext-adv-search-markup.php(419): Astra_Ext_Adv_Search_Markup::get_instance() #2 {main} thrown in /home/preserco/public_html/demos/grupoGBE/wp-content/plugins/astra-addon/addons/advanced-search/classes/class-astra-ext-adv-search-markup.php on line 44