Fatal error: Uncaught Error: Class "WP_REST_Themes_Controller" not found in /mnt/web024/c2/88/51749488/htdocs/wp-includes/rest-api.php:309 Stack trace: #0 /mnt/web024/c2/88/51749488/htdocs/wp-includes/class-wp-hook.php(292): create_initial_rest_routes() #1 /mnt/web024/c2/88/51749488/htdocs/wp-includes/class-wp-hook.php(316): WP_Hook->apply_filters() #2 /mnt/web024/c2/88/51749488/htdocs/wp-includes/plugin.php(484): WP_Hook->do_action() #3 /mnt/web024/c2/88/51749488/htdocs/wp-includes/rest-api.php(521): do_action() #4 /mnt/web024/c2/88/51749488/htdocs/wp-includes/rest-api.php(347): rest_get_server() #5 /mnt/web024/c2/88/51749488/htdocs/wp-includes/class-wp-hook.php(292): rest_api_loaded() #6 /mnt/web024/c2/88/51749488/htdocs/wp-includes/class-wp-hook.php(316): WP_Hook->apply_filters() #7 /mnt/web024/c2/88/51749488/htdocs/wp-includes/plugin.php(551): WP_Hook->do_action() #8 /mnt/web024/c2/88/51749488/htdocs/wp-includes/class-wp.php(388): do_action_ref_array() #9 /mnt/web024/c2/88/51749488/htdocs/wp-includes/class-wp.php(750): WP->parse_request() #10 /mnt/web024/c2/88/51749488/htdocs/wp-includes/functions.php(1291): WP->main() #11 /mnt/web024/c2/88/51749488/htdocs/wp-blog-header.php(16): wp() #12 /mnt/web024/c2/88/51749488/htdocs/index.php(35): require('...') #13 {main} thrown in /mnt/web024/c2/88/51749488/htdocs/wp-includes/rest-api.php on line 309