Warning: Use of undefined constant ABSPATH - assumed 'ABSPATH' (this will throw an Error in a future version of PHP) in /var/www/ricaip/wp-content/plugins/the-events-calendar/common/src/Common/Admin/Abstract_Custom_List_Table.php on line 18

Warning: require_once(ABSPATHwp-admin/includes/screen.php): failed to open stream: No such file or directory in /var/www/ricaip/wp-content/plugins/the-events-calendar/common/src/Common/Admin/Abstract_Custom_List_Table.php on line 18

Fatal error: require_once(): Failed opening required 'ABSPATHwp-admin/includes/screen.php' (include_path='.:/usr/share/pear:/usr/share/php') in /var/www/ricaip/wp-content/plugins/the-events-calendar/common/src/Common/Admin/Abstract_Custom_List_Table.php on line 18