Attempting to "package course" on USU OCW causes site error (attribute error)

[tom]

Attempting to "package course" on a course in USU OCW causes site error (attribute error)

Here is the course in question: http://ocw.usu.edu/instructional-technology/Computer_Applications_for_Instruction_and_Training

Please figure out what is wrong so this course can be packaged.

Traceback (innermost last):

Module ZPublisher.Publish, line 119, in publish Module ZPublisher.mapply, line 88, in mapply Module ZPublisher.Publish, line 42, in call_object Module Products.eduCommons.browser.packagecourseview, line 17, in call Module Products.eduCommons.browser.packagecourseview, line 43, in createIMSFile Module Products.ATContentTypes.lib.constraintypes, line 281, in invokeFactory Module Products.CMFCore.PortalFolder?, line 315, in invokeFactory Module Products.CMFCore.TypesTool?, line 716, in constructContent Module Products.CMFCore.TypesTool?, line 276, in constructInstance Module Products.CMFCore.TypesTool?, line 450, in _constructInstance Module Products.eduCommons.content.fssfile, line 7, in addFSSFile Module OFS.ObjectManager?, line 348, in _setObject Module zope.app.container.contained, line 365, in notifyContainerModified Module zope.event, line 23, in notify Module zope.component.event, line 26, in dispatch Module zope.component._api, line 130, in subscribers Module zope.component.registry, line 290, in subscribers Module zope.interface.adapter, line 535, in subscribers Module zope.component.event, line 33, in objectEventNotify Module zope.component._api, line 130, in subscribers Module zope.component.registry, line 290, in subscribers Module zope.interface.adapter, line 535, in subscribers Module plone.app.linkintegrity.handlers, line 60, in modifiedArchetype Module Products.Archetypes.Referenceable, line 57, in addReference Module Products.Archetypes.ReferenceEngine?, line 337, in addReference Module OFS.ObjectManager?, line 374, in _delObject Module OFS.ObjectManager?, line 290, in _getOb

AttributeError?: d535c1a76b088fa775ac8781d0d51e64