Fatal error: Uncaught Error: Interface "GuzzleHttp\Promise\PromiseInterface" not found in /mnt/disk1/hosted/vcard.llorenteycuenca.com/vendor/guzzlehttp/promises/src/Coroutine.php:45 Stack trace: #0 {main} thrown in /mnt/disk1/hosted/vcard.llorenteycuenca.com/vendor/guzzlehttp/promises/src/Coroutine.php on line 45