[Zope] Export fails

[Jonathan]

----- Original Message ----- 
From: "Christian Schaffer" <christian.schaffer at muenchen.de>
Subject: Re: [Zope] Export fails
>
> unfortunately, the zexp-file does not contain any of the children
> objects. Re-importing the zexp-file leads to the following error:


We need some more information as to the type of object you are trying to 
export (eg. folder, ZClass instance, custom product instance, etc).


> Site Error
> An error was encountered while publishing this resource.
> Error Type: AttributeError
> Error Value: 'NoneType' object has no attribute 'id'

Include the full traceback.


Jonathan