Fatal error: Uncaught Error: Interface "GuzzleHttp\ClientInterface" not found in /sites/cambridge/public_html/student.cambridgecampus.ma/CronJob/vendor/guzzlehttp/guzzle/src/Client.php:17 Stack trace: #0 {main} thrown in /sites/cambridge/public_html/student.cambridgecampus.ma/CronJob/vendor/guzzlehttp/guzzle/src/Client.php on line 17