I am trying to import a quiz from one shell to another. Sometimes it works, others it does not and gives the above error. The quiz comes from 2 test banks, not another quiz, and the test banks were revised and cleaned up by me so I know they are all in one of those two banks. I select all and add to the quiz. My administrator cannot figure this out and neither has the vendor. He said to export/import and recreate. This is not an answer to the problem when I have 16 test to go into 7 different shells.
I did the export/import of the test bank and created the quiz. When I went to duplicate the quiz in the same shell (pre test and then post test). I got the same error.
I have no idea what version my school has, I have looked and do not have a site administration link to see the version. I am with the University of Dubuque in Iowa. I am using Firefox.