Fatal error: Uncaught Error: Class "SebastianBergmann\Comparator\Comparator" not found in C:\SHC\xampp\htdocs\shc_mobile_backend\vendor\phpspec\prophecy\src\Prophecy\Comparator\ClosureComparator.php:22 Stack trace: #0 {main} thrown in C:\SHC\xampp\htdocs\shc_mobile_backend\vendor\phpspec\prophecy\src\Prophecy\Comparator\ClosureComparator.php on line 22