Fatal error: Uncaught Error: Class "SebastianBergmann\Comparator\ObjectComparator" not found in I:\www\pvcUtils\vendor\sebastian\comparator\tests\_fixture\TestClassComparator.php:12 Stack trace: #0 {main} thrown in I:\www\pvcUtils\vendor\sebastian\comparator\tests\_fixture\TestClassComparator.php on line 12