Fatal error: Uncaught Error: Class "WP_REST_Controller" not found in /home/theinsightpartne/public_html/blog/wp-content/plugins/gutenberg/lib/compat/wordpress-6.0/class-gutenberg-rest-edit-site-export-controller.php:17 Stack trace: #0 {main} thrown in /home/theinsightpartne/public_html/blog/wp-content/plugins/gutenberg/lib/compat/wordpress-6.0/class-gutenberg-rest-edit-site-export-controller.php on line 17