Fatal error: Uncaught Error: Class "SebastianBergmann\Comparator\ScalarComparator" not found in C:\wamp64\houda\vendor\sebastian\comparator\src\NumericComparator.php:26 Stack trace: #0 {main} thrown in C:\wamp64\houda\vendor\sebastian\comparator\src\NumericComparator.php on line 26