Error changing settings on O'Reilly Answers

Fatal error: Uncaught exception 'Exception' with message 'output is not an object' in /home/answers/public_html/admin/sources/base/ipsRegistry.php:925 Stack trace: #0 /home/answers/public_html/admin/sources/loginauth/oreilly/auth.php(1085): ipsRegistry::getClass('output') #1 /home/answers/public_html/admin/sources/loginauth/oreilly/auth.php(372): login_oreilly->setSession(Array) #2 /home/answers/public_html/admin/sources/classes/session/ssoPublicSessions.php(715): login_oreilly->ssoAuthenticate(true) #3 /home/answers/public_html/admin/sources/classes/session/ssoPublicSessions.php(251): ssoPublicSessions->checkSso() #4 /home/answers/public_html/admin/sources/base/ipsRegistry.php(3232): ssoPublicSessions->__construct() #5 /home/answers/public_html/admin/sources/base/ipsRegistry.php(3083): ips_MemberRegistry::init() #6 /home/answers/public_html/admin/sources/base/ipsRegistry.php(514): ips_MemberRegistry::instance() #7 /home/answers/public_html/admin/sources/base/ipsController.php(75): ipsRegistry::init() #8 /home/answers/pub in /home/answers/public_html/admin/sources/base/ipsRegistry.php on line 925