Fatal error: Uncaught Error: Interface "Psr\Http\Client\ClientInterface" not found in /home/u198386656/domains/hubmailing.space/public_html/vendor/guzzlehttp/guzzle/src/Client.php:17 Stack trace: #0 /home/u198386656/domains/hubmailing.space/public_html/vendor/autoload.php(36): require() #1 /home/u198386656/domains/hubmailing.space/public_html/index.php(49): {closure}() #2 {main} thrown in /home/u198386656/domains/hubmailing.space/public_html/vendor/guzzlehttp/guzzle/src/Client.php on line 17