Fatal error: Uncaught Error: Call to undefined function add_filter() in /home/zo8v2bw96l60/public_html/eggshell.com.hk/wp-includes/default-filters.php:22
Stack trace:
#0 {main}
thrown in /home/zo8v2bw96l60/public_html/eggshell.com.hk/wp-includes/default-filters.php on line 22