It doesn't even go to <!DOCTYPE..
<!-- load_from_return() -->
<!-- load_by_ticket(21085, 44bf49241f736efb2ee57786d9465e323669792d, 57074e285520aa1a4dfb99c4283951d07e0f2b86) -->
<!-- db_query(select * from tickets where id = 21085) -->
<!-- no such ticket --><!-- core knows you, now checking you into BM -->
<!-- no linked account continue as guest -->
SSO did not work as expected. Oops.