Fatal error: Uncaught Error: Class 'SendGrid\Client' not found in C:\Landaweb\webs\serverarcos\vendor\sendgrid\php-http-client\test\unit\MockClient.php:7 Stack trace: #0 {main} thrown in C:\Landaweb\webs\serverarcos\vendor\sendgrid\php-http-client\test\unit\MockClient.php on line 7