Fatal error: Uncaught Error: Class 'Symfony\Component\Mime\Header\UnstructuredHeader' not found in /home/changeco/public_html/vendor/symfony/mime/Header/ParameterizedHeader.php:21
Stack trace:
#0 {main}
thrown in /home/changeco/public_html/vendor/symfony/mime/Header/ParameterizedHeader.php on line 21