Fatal error: Uncaught Error: Class "Mailgun\Api\HttpApi" not found in /home/stagingaicapital/public_html/app/Vendor/mailgun/mailgun-php/src/Api/SubAccounts.php:20 Stack trace: #0 {main} thrown in /home/stagingaicapital/public_html/app/Vendor/mailgun/mailgun-php/src/Api/SubAccounts.php on line 20