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.GenericSetup.tool, line 726, in manage_createSnapshot
Module Products.GenericSetup.tool, line 375, in createSnapshot
Module Products.ATContentTypes.exportimport.atcttool, line 164, in exportATCTTool
Module Products.GenericSetup.utils, line 765, in exportObjects
Module Products.GenericSetup.utils, line 528, in _exportBody
Module Products.ATContentTypes.exportimport.atcttool, line 27, in _exportNode
Module Products.GenericSetup.utils, line 656, in _extractProperties
Module OFS.PropertyManager, line 151, in getProperty
AttributeError: image_types