Fatal error: Uncaught Error: Class "OpenApi\Tests\Fixtures\Parser\Sub\SubClass" not found in C:\xampp\htdocs\swagger\vendor\zircote\swagger-php\tests\Fixtures\Parser\User.php:13 Stack trace: #0 {main} thrown in C:\xampp\htdocs\swagger\vendor\zircote\swagger-php\tests\Fixtures\Parser\User.php on line 13