Fatal error: Uncaught Error: Class "yii\mail\BaseMailer" not found in /home/apolo/public_html/sgdpr/vendor/yiisoft/yii2-swiftmailer/src/Mailer.php:78 Stack trace: #0 {main} thrown in /home/apolo/public_html/sgdpr/vendor/yiisoft/yii2-swiftmailer/src/Mailer.php on line 78