Fatal error: Uncaught Error: Class 'SebastianBergmann\Comparator\ObjectComparator' not found in /var/www/app/appregwebservice/vendor/sebastian/comparator/src/ExceptionComparator.php:17 Stack trace: #0 {main} thrown in /var/www/app/appregwebservice/vendor/sebastian/comparator/src/ExceptionComparator.php on line 17