Fatal error: Uncaught Error: Class 'Google_Model' not found in /var/www/dev/public/vendor/google/apiclient-services/src/Google/Service/Gmail/SmtpMsa.php:18 Stack trace: #0 {main} thrown in /var/www/dev/public/vendor/google/apiclient-services/src/Google/Service/Gmail/SmtpMsa.php on line 18