Notice: Undefined index: PATH_INFO in C:\inetpub\wwwroot\simplesamlphp2\modules\saml\www\sp\saml2-acs.php on line 7

Fatal error: Class 'SimpleSAML_Auth_Source' not found in C:\inetpub\wwwroot\simplesamlphp2\modules\saml\www\sp\saml2-acs.php on line 8