Fatal error: Uncaught Error: Class "SebastianBergmann\Type\Type" not found in C:\Apache24_x64\htdocs\ex-vak-new\vendor\sebastian\type\src\UnionType.php:16 Stack trace: #0 {main} thrown in C:\Apache24_x64\htdocs\ex-vak-new\vendor\sebastian\type\src\UnionType.php on line 16