[Zope] uncatalog of absent id?

[Nitesh Dhanjani]

Hello,

Im fairly new to the Zope world. Im trying to delete a PTK folder, and get
this error:

  Zope Error
Zope has encountered an error while publishing this resource. 

Error Type: ValueError
Error Value: Uncatalog of absent id '/icds/Members/bob/index_html'



--------------------------------------------------------------------------------

Troubleshooting Suggestions

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. 
 



Traceback (innermost last):
  File /usr/local/zope/2.1.7/lib/python/ZPublisher/Publish.py, line 214,
in publish_module
  File /usr/local/zope/2.1.7/lib/python/ZPublisher/Publish.py, line 179,
in publish
  File /usr/local/zope/2.1.7/lib/python/Zope/__init__.py, line 202, in
zpublisher_exception_hook
    (Object: ApplicationDefaultPermissions)
  File /usr/local/zope/2.1.7/lib/python/ZPublisher/Publish.py, line 165,
in publish
  File /usr/local/zope/2.1.7/lib/python/ZPublisher/mapply.py, line 160, in
mapply
    (Object: manage_delObjects)
  File /usr/local/zope/2.1.7/lib/python/ZPublisher/Publish.py, line 102,
in call_object
    (Object: manage_delObjects)
  File /usr/local/zope/2.1.7/lib/python/OFS/ObjectManager.py, line 401, in
manage_delObjects
    (Object: ApplicationDefaultPermissions)
  File /usr/local/zope/2.1.7/lib/python/OFS/ObjectManager.py, line 273, in
_delObject
    (Object: ApplicationDefaultPermissions)
  File /usr/local/zope/2.1.7/lib/python/OFS/ObjectManager.py, line 268, in
manage_beforeDelete
    (Object: DemoPortalBase)
  File /usr/local/zope/2.1.7/lib/python/OFS/ObjectManager.py, line 268, in
manage_beforeDelete
    (Object: ElementWithAttributes)
  File /usr/local/zope/2.1.7/lib/python/OFS/ObjectManager.py, line 268, in
manage_beforeDelete
    (Object: ElementWithAttributes)
  File /usr/local/zope/2.1.7/lib/python/Products/PTKBase/PortalContent.py,
line 226, in manage_beforeDelete
    (Object: index_html)
  File /usr/local/zope/2.1.7/lib/python/Products/PTKBase/PortalContent.py,
line 213, in unindex_object
    (Object: index_html)
  File /usr/local/zope/2.1.7/lib/python/Products/ZCatalog/ZCatalog.py,
line 358, in uncatalog_object
    (Object: ElementWithAttributes)
  File /usr/local/zope/2.1.7/lib/python/Products/ZCatalog/Catalog.py, line
373, in uncatalogObject
ValueError: (see above)



Any suggestions would be appreciated.

Thankyou.
nitesh.