Fatal error: Uncaught Error: Call to undefined function add_action() in /nfs/aesop1/hw00/d80/hscss/wordpress/wp-content/plugins/wpforms/pro/includes/admin/class-upgrades.php:29 Stack trace: #0 /nfs/aesop1/hw00/d80/hscss/wordpress/wp-content/plugins/wpforms/pro/includes/admin/class-upgrades.php(350): WPForms_Upgrades->__construct() #1 {main} thrown in /nfs/aesop1/hw00/d80/hscss/wordpress/wp-content/plugins/wpforms/pro/includes/admin/class-upgrades.php on line 29