Error during export from Plone 4.3

[canepan]

Hi, after being able to install exportimport on my Plone 4.3.19 (thanks for https://github.com/collective/collective.exportimport/issues/166), and restoring the Data.fs, I am now facing the following error while exporting:

raceback (innermost last):

    Module ZPublisher.Publish, line 138, in publish
    Module ZPublisher.mapply, line 77, in mapply
    Module ZPublisher.Publish, line 48, in call_object
    Module collective.exportimport.export_content, line 270, in __call__
    Module collective.exportimport.export_content, line 377, in export_content
    Module ZODB.Connection, line 860, in setstate
    Module ZODB.Connection, line 914, in _setstate
    Module ZODB.serialize, line 612, in setGhostState
    Module ZODB.serialize, line 605, in getState
    Module zope.interface.declarations, line 756, in Provides
    Module zope.interface.declarations, line 659, in __init__
    Module zope.interface.declarations, line 45, in __init__
    Module zope.interface.declarations, line 1382, in _normalizeargs
    Module zope.interface.declarations, line 1381, in _normalizeargs

TypeError: ("'ExtensionClass.ExtensionClass' object is not iterable", <function Provides at 0x7fd083098230>, (<class 'Products.ATContentTypes.content.folder.ATFolder'>, <InterfaceClass Products.Five.component.interfaces.IObjectManagerSite>, <class 'collective.lineage.interfaces.IChildSite'>))