Fatal error: Uncaught Error: Interface "Psr\Http\Client\ClientExceptionInterface" not found in /home/homepaa/www/classic-Vorlage/vendor/psr/http-client/src/RequestExceptionInterface.php:14 Stack trace: #0 {main} thrown in /home/homepaa/www/classic-Vorlage/vendor/psr/http-client/src/RequestExceptionInterface.php on line 14