Fatal error: Uncaught Error: Interface 'GuzzleHttp\ClientInterface' not found in /home/wittyly/public_html/staging/hr-witty/vendor/guzzlehttp/guzzle/src/Client.php:17 Stack trace: #0 {main} thrown in /home/wittyly/public_html/staging/hr-witty/vendor/guzzlehttp/guzzle/src/Client.php on line 17