Fatal error: Uncaught Error: Class "WP_REST_Controller" not found in /home/c4181178/public_html/keinet.co.jp/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php:17 Stack trace: #0 /home/c4181178/public_html/keinet.co.jp/wp-settings.php(299): require() #1 /home/c4181178/public_html/keinet.co.jp/wp-config.php(109): require_once('/home/c4181178/...') #2 /home/c4181178/public_html/keinet.co.jp/wp-load.php(50): require_once('/home/c4181178/...') #3 /home/c4181178/public_html/keinet.co.jp/wp-login.php(12): require('/home/c4181178/...') #4 {main} thrown in /home/c4181178/public_html/keinet.co.jp/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php on line 17

Fatal error: Uncaught Error: Call to a member function set() on null in /home/c4181178/public_html/keinet.co.jp/wp-includes/l10n.php:857 Stack trace: #0 /home/c4181178/public_html/keinet.co.jp/wp-includes/l10n.php(960): load_textdomain() #1 /home/c4181178/public_html/keinet.co.jp/wp-includes/class-wp-fatal-error-handler.php(49): load_default_textdomain() #2 [internal function]: WP_Fatal_Error_Handler->handle() #3 {main} thrown in /home/c4181178/public_html/keinet.co.jp/wp-includes/l10n.php on line 857