Fatal error: Uncaught Error: Class "Acquia\Hmac\RequestSigner" not found in /var/www/html/ihp.stage-ci.design/vendor/acquia/http-hmac-php/test/Mocks/MockRequestSigner.php:14 Stack trace: #0 {main} thrown in /var/www/html/ihp.stage-ci.design/vendor/acquia/http-hmac-php/test/Mocks/MockRequestSigner.php on line 14