Fatal error: Uncaught Error: Class 'yii\mail\BaseMessage' not found in /home/mpolsk5/public_html/seocomo/craft/vendor/yiisoft/yii2-swiftmailer/src/Message.php:36
Stack trace:
#0 {main}
thrown in /home/mpolsk5/public_html/seocomo/craft/vendor/yiisoft/yii2-swiftmailer/src/Message.php on line 36