( ! ) Fatal error: Class 'Symfony\Component\HttpFoundation\Session\Attribute\AttributeBag' not found in /var/www/html/vendor/symfony/http-foundation/Session/Attribute/NamespacedAttributeBag.php on line 20
Call Stack
#	Time	Memory	Function	Location
1	0.0005	387872	{main}( )	.../NamespacedAttributeBag.php:0