Fatal error: Uncaught Error: Class "League\Container\Argument\ResolvableArgument" not found in I:\www\php_vendor_tests\vendor\league\container\src\Argument\DefaultValueArgument.php:7 Stack trace: #0 {main} thrown in I:\www\php_vendor_tests\vendor\league\container\src\Argument\DefaultValueArgument.php on line 7