Fatal error: Uncaught Error: Class 'WP_REST_Search_Handler' not found in /home/dot-line/www/kasai/wp-includes/rest-api/search/class-wp-rest-term-search-handler.php:17 Stack trace: #0 /home/dot-line/www/kasai/wp-settings.php(297): require() #1 /home/dot-line/www/kasai/wp-config.php(95): require_once('/home/dot-line/...') #2 /home/dot-line/www/kasai/wp-load.php(50): require_once('/home/dot-line/...') #3 /home/dot-line/www/kasai/wp-blog-header.php(13): require_once('/home/dot-line/...') #4 /home/dot-line/www/kasai/index.php(3): require('/home/dot-line/...') #5 {main} thrown in /home/dot-line/www/kasai/wp-includes/rest-api/search/class-wp-rest-term-search-handler.php on line 17