Fatal error: Uncaught Error: Class 'SebastianBergmann\Comparator\ObjectComparator' not found in /home/noct-c/www/tanakahashi/vendor/sebastian/comparator/src/DOMNodeComparator.php:18 Stack trace: #0 {main} thrown in /home/noct-c/www/tanakahashi/vendor/sebastian/comparator/src/DOMNodeComparator.php on line 18