[Zope] RE: RuntimeError:maximum recursion depth exceeded

[Mark, Jonathan (Integic)]

>>>After successfully created News Item ZClass from the example from the
zope book. When I selected News Item from the Add list, this is the
error msg displayed<<<

ZClasses are either deprecated or no longer used. The part of the Zope
book that refers to them has been superseded. You should use products
instead of ZClasses.