Fatal error: Uncaught Error: Class "SebastianBergmann\Comparator\ObjectComparator" not found in /srv/www/sites/public/starter-cms/vendor/sebastian/comparator/src/MockObjectComparator.php:17 Stack trace: #0 {main} thrown in /srv/www/sites/public/starter-cms/vendor/sebastian/comparator/src/MockObjectComparator.php on line 17