Fatal error: Uncaught Error: Interface 'Symfony\Component\Mime\Header\HeaderInterface' not found in /home/noct-c/www/tanakahashi/vendor/symfony/mime/Header/AbstractHeader.php:23 Stack trace: #0 {main} thrown in /home/noct-c/www/tanakahashi/vendor/symfony/mime/Header/AbstractHeader.php on line 23