Fatal error: Uncaught Error: Interface "Symfony\Component\Mime\Encoder\ContentEncoderInterface" not found in /home/tubu/public_html/Drupal_CMS/cms/vendor/symfony/mime/Encoder/EightBitContentEncoder.php:17 Stack trace: #0 {main} thrown in /home/tubu/public_html/Drupal_CMS/cms/vendor/symfony/mime/Encoder/EightBitContentEncoder.php on line 17