Hi all, when I try to add an editable property sheet interface for a propertysheet with a multiple selection property, this runs into the error shown below: Traceback (innermost last): Module ZPublisher.Publish, line 101, in publish Module ZPublisher.mapply, line 88, in mapply Module ZPublisher.Publish, line 39, in call_object Module ZClasses.Property, line 84, in manage_createView Module ZClasses.Property, line 188, in manage_createEditor Module ZClasses.Method, line 103, in manage_addDTMLMethod Module OFS.DTMLMethod, line 403, in addDTMLMethod AttributeError: 'unicode' object has no attribute 'read' Does anybody have suggestions? Regards Thomas P.S.: I'm currently working on (Zope 2.7.3-0, python 2.3.4, win32) under Windows XP with Python 2.3.4 (#53, May 25 2004, 21:17:02) [MSC v.1200 32 bit (Intel)]