Fatal error: Uncaught Error: Interface "Dotenv\Loader\LoaderInterface" not found in I:\www\oauth2\auth_server\vendor\vlucas\phpdotenv\src\Loader\Loader.php:11 Stack trace: #0 {main} thrown in I:\www\oauth2\auth_server\vendor\vlucas\phpdotenv\src\Loader\Loader.php on line 11