Fatal error: Uncaught Error: Call to undefined function add_action() in /home/preserco/public_html/demos/grupoGBE/wp-content/plugins/astra-addon/addons/header-sections/classes/class-astra-ext-header-sections-markup.php:42 Stack trace: #0 /home/preserco/public_html/demos/grupoGBE/wp-content/plugins/astra-addon/addons/header-sections/classes/class-astra-ext-header-sections-markup.php(32): Astra_Ext_Header_Sections_Markup->__construct() #1 /home/preserco/public_html/demos/grupoGBE/wp-content/plugins/astra-addon/addons/header-sections/classes/class-astra-ext-header-sections-markup.php(1297): Astra_Ext_Header_Sections_Markup::get_instance() #2 {main} thrown in /home/preserco/public_html/demos/grupoGBE/wp-content/plugins/astra-addon/addons/header-sections/classes/class-astra-ext-header-sections-markup.php on line 42