Fatal error: Uncaught Error: Class "Guzzle\Http\Message\Header" not found in /home/homologhi/public_html/vendor/guzzle/http/Guzzle/Http/Message/Header/CacheControl.php:10 Stack trace: #0 {main} thrown in /home/homologhi/public_html/vendor/guzzle/http/Guzzle/Http/Message/Header/CacheControl.php on line 10