Fatal error: Uncaught Error: Interface "Symfony\Component\Mime\Encoder\EncoderInterface" not found in /home/matrixweb/public_html/whmcs2022/whmcs/vendor/symfony/mime/Encoder/Rfc2231Encoder.php:19
Stack trace:
#0 {main}
thrown in /home/matrixweb/public_html/whmcs2022/whmcs/vendor/symfony/mime/Encoder/Rfc2231Encoder.php on line 19