Fatal error: Uncaught Error: Class "DOMDocument" not found in /var/www/lean-system.co.jp/_watanabe/animahtmlfixier/vendor/imangazaliev/didom/src/DiDom/Document.php:70 Stack trace: #0 /var/www/lean-system.co.jp/_watanabe/animahtmlfixier/_operate_views.inc(28): DiDom\Document->__construct() #1 /var/www/lean-system.co.jp/_watanabe/animahtmlfixier/index.php(8): require_once('...') #2 {main} thrown in /var/www/lean-system.co.jp/_watanabe/animahtmlfixier/vendor/imangazaliev/didom/src/DiDom/Document.php on line 70