( ! ) Fatal error: Interface 'Symfony\Component\HttpFoundation\Exception\RequestExceptionInterface' not found in C:\wamp64\www\simplesamlphp\vendor\symfony\http-foundation\Exception\SuspiciousOperationException.php on line 19
Call Stack
#	Time	Memory	Function	Location
1	0.0052	235000	{main}( )	...\SuspiciousOperationException.php:0