Fatal error: Uncaught Error: Class "SebastianBergmann\Comparator\Comparator" not found in C:\Apache24\htdocs\cms_upgrade\vendor\myclabs\php-enum\src\PHPUnit\Comparator.php:15 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\cms_upgrade\vendor\myclabs\php-enum\src\PHPUnit\Comparator.php on line 15