Fatal error: Uncaught Error: Call to undefined function add_filter() in /home/workings/public_html/hidden/wp-content/plugins/jetpack/class.jetpack-bbpress-json-api-compat.php:18 Stack trace: #0 /home/workings/public_html/hidden/wp-content/plugins/jetpack/class.jetpack-bbpress-json-api-compat.php(14): bbPress_Jetpack_REST_API->__construct() #1 /home/workings/public_html/hidden/wp-content/plugins/jetpack/class.jetpack-bbpress-json-api-compat.php(98): bbPress_Jetpack_REST_API::instance() #2 {main} thrown in /home/workings/public_html/hidden/wp-content/plugins/jetpack/class.jetpack-bbpress-json-api-compat.php on line 18