I figured it out. Sorry for wasting your time. For those who are curious... In the class definition: _properties = ( { 'id' : 'nextReceiptId' , 'type' : 'int' , 'mode' : 'w' } ) should have been: _properties = ( { 'id' : 'nextReceiptId' , 'type' : 'int' , 'mode' : 'w' } , ) **Note the trailing comma. Mike

Hi,

I have created an object in a product and am getting the following error when clicking on the properties tab in the ZMI after adding the object. Can someone explain what it is trying to tell me?

Traceback (innermost last):

* Module ZPublisher.Publish, line 98, in publish * Module ZPublisher.mapply, line 88, in mapply * Module ZPublisher.Publish, line 39, in call_object * Module Shared.DC.Scripts.Bindings, line 252, in __call__ * Module Shared.DC.Scripts.Bindings, line 283, in _bindAndExec * Module App.special_dtml, line 175, in _exec * Module OFS.PropertyManager, line 227, in propertyMap * Module OFS.PropertyManager, line 227, in <lambda>

AttributeError: 'str' object has no attribute 'copy'

Thanks, Mike

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