( ! ) Fatal error: Uncaught Error: Class 'Symfony\Component\Mime\Header\AbstractHeader' not found in /var/www/exam_ITR_dev/vendor/symfony/mime/Header/MailboxHeader.php on line 22
( ! ) Error: Class 'Symfony\Component\Mime\Header\AbstractHeader' not found in /var/www/exam_ITR_dev/vendor/symfony/mime/Header/MailboxHeader.php on line 22
Call Stack
#	Time	Memory	Function	Location
1	0.0003	407184	{main}( )	.../MailboxHeader.php:0