[Zope] Yihaw "Properties" creates error

[Sean Kelley]

When I click "Properties" on a new Yihaw folder, I get the following Zope error.
What does it mean?


Error Type: NameError
           Error Value: Catalog



           Troubleshooting Suggestions

                This resource may be trying to reference a nonexistent object or
variable Catalog.
                The URL may be incorrect.
                The parameters passed to this resource may be incorrect.
                A resource that this resource relies on may be encountering an
error.

           For more detailed information about the error, please refer to the HTML
source for this page.

           If the error persists please contact the site maintainer. Thank you for
your patience.

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                               Traceback (innermost last):
  File /home/kelley/Zope-2.1.6-src/lib/python/ZPublisher/Publish.py, line 214, in
publish_module
  File /home/kelley/Zope-2.1.6-src/lib/python/ZPublisher/Publish.py, line 179, in
publish
  File /home/kelley/Zope-2.1.6-src/lib/python/Zope/__init__.py, line 202, in
zpublisher_exception_hook
                                   (Object: CatalogAware)
  File /home/kelley/Zope-2.1.6-src/lib/python/ZPublisher/Publish.py, line 165, in
publish
   File /home/kelley/Zope-2.1.6-src/lib/python/ZPublisher/mapply.py, line 160, in
mapply
                              (Object: manage_folderproperties)
  File /home/kelley/Zope-2.1.6-src/lib/python/ZPublisher/Publish.py, line 102, in
call_object
                              (Object: manage_folderproperties)
   File /home/kelley/Zope-2.1.6-src/lib/python/OFS/DTMLMethod.py, line 150, in
__call__
                              (Object: manage_folderproperties)
  File /home/kelley/Zope-2.1.6-src/lib/python/DocumentTemplate/DT_String.py, line
502, in __call__
                              (Object: manage_folderproperties)
  File /home/kelley/Zope-2.1.6-src/lib/python/DocumentTemplate/DT_In.py, line 633,
in renderwob
                        (Object: Catalog(meta_type='Yihaw Pointer'))
  File /home/kelley/Zope-2.1.6-src/lib/python/DocumentTemplate/DT_Util.py, line
335, in eval
                        (Object: Catalog(meta_type='Yihaw Pointer'))
                                       (Info: Catalog)
                                File <string>, line 0, in ?
                                 NameError: (see above)