Fatal error: Uncaught Error: Interface "Guzzle\Http\Message\Header\HeaderInterface" not found in /home/homologhi/public_html/vendor/guzzle/http/Guzzle/Http/Message/Header.php:11 Stack trace: #0 {main} thrown in /home/homologhi/public_html/vendor/guzzle/http/Guzzle/Http/Message/Header.php on line 11