Fatal error: Uncaught ReflectionException: Class Symfony\Component\Console\Helper\HelperInterface does not exist in C:\xampp2\htdocs\vendor\doctrine\orm\src\Tools\Console\Helper\EntityManagerHelper.php:13 Stack trace: #0 C:\xampp2\htdocs\vendor\doctrine\orm\src\Tools\Console\Helper\EntityManagerHelper.php(13): ReflectionMethod->__construct('Symfony\\Compone...', 'getName') #1 {main} thrown in C:\xampp2\htdocs\vendor\doctrine\orm\src\Tools\Console\Helper\EntityManagerHelper.php on line 13