Fatal error: Uncaught Error: Class 'SebastianBergmann\Comparator\ObjectComparator' not found in /home/wwseve/public_html/amostra/vendor/sebastian/comparator/src/DOMNodeComparator.php:21 Stack trace: #0 {main} thrown in /home/wwseve/public_html/amostra/vendor/sebastian/comparator/src/DOMNodeComparator.php on line 21