Fatal error: Uncaught Error: Class 'SebastianBergmann\Comparator\Comparator' not found in C:\web\qhzyy\vendor\myclabs\php-enum\src\PHPUnit\Comparator.php:15 Stack trace: #0 {main} thrown in C:\web\qhzyy\vendor\myclabs\php-enum\src\PHPUnit\Comparator.php on line 15