Fatal error: Uncaught Error: Class 'SebastianBergmann\Comparator\Comparator' not found in E:\xampp\htdocs\webhost_v2\vendor\myclabs\php-enum\src\PHPUnit\Comparator.php:15 Stack trace: #0 {main} thrown in E:\xampp\htdocs\webhost_v2\vendor\myclabs\php-enum\src\PHPUnit\Comparator.php on line 15