Fatal error: Uncaught Error: Class "Mailgun\Message\Exceptions\LimitExceeded" not found in /home/backend/public_html/fm360/system/vendor/mailgun/mailgun-php/src/Message/Exceptions/TooManyRecipients.php:17 Stack trace: #0 {main} thrown in /home/backend/public_html/fm360/system/vendor/mailgun/mailgun-php/src/Message/Exceptions/TooManyRecipients.php on line 17