Error

Error message

Recoverable fatal error: Argument 1 passed to SAML2_Message::fromXML() must be an instance of DOMElement, null given, called in /var/www/simplesamlphp/lib/SAML2/HTTPRedirect.php on line 125 and defined in SAML2_Message::fromXML() (line 455 of /var/www/simplesamlphp/lib/SAML2/Message.php).
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