Fatal error: Uncaught Error: Call to undefined function add_action() in /nfs/aesop1/hw00/d82/hplab/wordpress/wp-content/plugins/page-scroll-to-id/includes/ps2id-plugin-admin-notice.php:6 Stack trace: #0 /nfs/aesop1/hw00/d82/hplab/wordpress/wp-content/plugins/page-scroll-to-id/includes/ps2id-plugin-admin-notice.php(88): ps2id_Plugin_Admin_Notice->__construct() #1 /nfs/aesop1/hw00/d82/hplab/wordpress/wp-content/plugins/page-scroll-to-id/includes/ps2id-plugin-admin-notice.php(96): ps2id_Plugin_Admin_Notice::instance() #2 {main} thrown in /nfs/aesop1/hw00/d82/hplab/wordpress/wp-content/plugins/page-scroll-to-id/includes/ps2id-plugin-admin-notice.php on line 6