( ! ) Fatal error: Uncaught Error: Class "Symfony\Component\Mime\Header\AbstractHeader" not found in /usr/local/apache2/htdocs/hc/vendor/symfony/mime/Header/MailboxHeader.php on line 22
( ! ) Error: Class "Symfony\Component\Mime\Header\AbstractHeader" not found in /usr/local/apache2/htdocs/hc/vendor/symfony/mime/Header/MailboxHeader.php on line 22
Call Stack
#	Time	Memory	Function	Location
1	0.0001	356096	{main}( )	.../MailboxHeader.php:0