( ! ) Fatal error: Interface 'Symfony\Component\HttpFoundation\Session\SessionBagInterface' not found in C:\wamp64\www\simplesamlphp\vendor\symfony\http-foundation\Session\Flash\FlashBagInterface.php on line 22
Call Stack
#TimeMemoryFunctionLocation
10.0064245176{main}( )...\FlashBagInterface.php:0