Fatal error: Uncaught Error: Interface "Symfony\Component\Mime\Encoder\ContentEncoderInterface" not found in C:\svn\conexerp\vendor\symfony\mime\Encoder\EightBitContentEncoder.php:17 Stack trace: #0 {main} thrown in C:\svn\conexerp\vendor\symfony\mime\Encoder\EightBitContentEncoder.php on line 17