Fatal error: Uncaught Error: Interface "Psr\Http\Message\UriInterface" not found in /users/danielstruebig/www/firma/vendor/guzzlehttp/psr7/src/Uri.php:17 Stack trace: #0 {main} thrown in /users/danielstruebig/www/firma/vendor/guzzlehttp/psr7/src/Uri.php on line 17