I try to convert images to photos (Photo product). Uploaded them via FTP I found this on the zope site of the photo product: <dtml-in "objectItems('Image')"> <dtml-with sequence-item> <dtml-call "PARENTS[0].manage_delObjects([id(),], REQUEST)"> <dtml-call "PARENTS[0].manage_addProduct['Photo'].manage_addPhoto(PARENTS[0], id(), data, title, REQUEST)"> </dtml-with> </dtml-in> Image to Photo Conversion Complete! But i always get the error: Zope Error Zope has encountered an error while publishing this resource. Error Type: KeyError Error Value: __cmp__ -------------------------------------------------------------------------------- Troubleshooting Suggestions a.. This resource may be trying to reference a nonexistent object or variable __cmp__. b.. The URL may be incorrect. c.. The parameters passed to this resource may be incorrect. d.. 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. What could be wrong? Any suggestions? Thank you Jens