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