Fatal error: Uncaught Error: Class "SebastianBergmann\Comparator\ObjectComparator" not found in /home/ondemand/test.ondemandpro.net/vendor/sebastian/comparator/tests/_files/TestClassComparator.php:13 Stack trace: #0 {main} thrown in /home/ondemand/test.ondemandpro.net/vendor/sebastian/comparator/tests/_files/TestClassComparator.php on line 13