Fatal error: Uncaught Error: Class 'WP_REST_Posts_Controller' not found in /webspaces/20/u005904/html/wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php:17 Stack trace: #0 /webspaces/20/u005904/html/wp-settings.php(247): require() #1 /webspaces/20/u005904/html/wp-config.php(118): require_once('/webspaces/20/u...') #2 /webspaces/20/u005904/html/wp-load.php(37): require_once('/webspaces/20/u...') #3 /webspaces/20/u005904/html/wp-blog-header.php(13): require_once('/webspaces/20/u...') #4 /webspaces/20/u005904/html/index.php(17): require('/webspaces/20/u...') #5 {main} thrown in /webspaces/20/u005904/html/wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php on line 17