( ! ) Fatal error: Interface 'Symfony\Component\HttpFoundation\Session\Attribute\AttributeBagInterface' not found in /var/www/exam_ITR_dev/vendor/symfony/http-foundation/Session/Attribute/AttributeBag.php on line 19
Call Stack
#	Time	Memory	Function	Location
1	0.0006	409808	{main}( )	.../AttributeBag.php:0