( ! ) Fatal error: Class 'SimpleSAML\Error\BadRequest' not found in C:\wamp64\www\simplesamlphp\modules\authYubikey\www\yubikeylogin.php on line 13
Call Stack
#	Time	Memory	Function	Location
1	0.0077	248400	{main}( )	...\yubikeylogin.php:0