Fatal error: Uncaught Error: Interface 'Dotenv\Loader\LoaderInterface' not found in D:\xampp\htdocs\psp\backend\vendor\vlucas\phpdotenv\src\Loader\Loader.php:11 Stack trace: #0 {main} thrown in D:\xampp\htdocs\psp\backend\vendor\vlucas\phpdotenv\src\Loader\Loader.php on line 11