Iemand met kennis van python die mij dit probleem kan verhelderen?

ERROR:planet.runner:Update of failed
Traceback (most recent call last):
File "/home/svg/public_html/planet.geekdinner.be/planet/planet/__init__.py", line 246, in run
channel.update()
File "/home/svg/public_html/planet.geekdinner.be/planet/planet/__init__.py", line 654, in update
self.update_entries(info.entries)
File "/home/svg/public_html/planet.geekdinner.be/planet/planet/__init__.py", line 783, in update_entries
del(self._items[item.id])
KeyError: 'http://www.vandenabeele.com/4 at http://www.vandenabeele.com'


‘t is versie 2.0