( ! ) Fatal error: Uncaught Error: Interface 'Symfony\Component\HttpFoundation\Session\SessionBagInterface' not found in /home/choraleu/metz.chorale-universitaire-nancy.com/vendor/symfony/http-foundation/Session/Flash/FlashBagInterface.php on line 21
( ! ) Error: Interface 'Symfony\Component\HttpFoundation\Session\SessionBagInterface' not found in /home/choraleu/metz.chorale-universitaire-nancy.com/vendor/symfony/http-foundation/Session/Flash/FlashBagInterface.php on line 21
Call Stack
#	Time	Memory	Function	Location
1	0.0286	406696	{main}( )	.../FlashBagInterface.php:0