Fatal error: Uncaught Error: Class "SebastianBergmann\Comparator\ObjectComparator" not found in /usr/home/jiexusheng/domains/linuxdo.isgre.at/public_html/vendor/sebastian/comparator/src/DOMNodeComparator.php:21
Stack trace:
#0 {main}
  thrown in /usr/home/jiexusheng/domains/linuxdo.isgre.at/public_html/vendor/sebastian/comparator/src/DOMNodeComparator.php on line 21