Did not find this particular error via a search of the forums. Any help is appreciated. From the Survey List screen, I select one survey that has expired. I click the "Selected Survey(s)..." button and choose "Survey archive (.lsa)", and I get the following exception:
I'm not familiar with Yii and don't see where the issue is. Any suggestions on troubleshooting this error? I would like to export this survey before I inactivate it.