Fatal error: Uncaught Error: Interface 'Symfony\Component\Mime\Encoder\ContentEncoderInterface' not found in E:\xampp\htdocs\webhost_v2\vendor\symfony\mime\Encoder\EightBitContentEncoder.php:17 Stack trace: #0 {main} thrown in E:\xampp\htdocs\webhost_v2\vendor\symfony\mime\Encoder\EightBitContentEncoder.php on line 17