Notice: Use of undefined constant SG_POPUP_BUILDER_NOTIFICATIONS_URL - assumed 'SG_POPUP_BUILDER_NOTIFICATIONS_URL' in /home/kolenggf/public_html/wp/wp-content/plugins/popup-builder/com/classes/NotificationCenter.php on line 295

Fatal error: Uncaught Error: Call to undefined function sgpb\add_filter() in /home/kolenggf/public_html/wp/wp-content/plugins/popup-builder/com/classes/NotificationCenter.php:18 Stack trace: #0 /home/kolenggf/public_html/wp/wp-content/plugins/popup-builder/com/classes/NotificationCenter.php(12): sgpb\SGPBNotificationCenter->addActions() #1 /home/kolenggf/public_html/wp/wp-content/plugins/popup-builder/com/classes/NotificationCenter.php(295): sgpb\SGPBNotificationCenter->__construct() #2 {main} thrown in /home/kolenggf/public_html/wp/wp-content/plugins/popup-builder/com/classes/NotificationCenter.php on line 18