Unable to get object

[Wikunia]

We are not able to upload the gexf file to our local instance.

Traceback (most recent call last):
  File "neo4j-dynagraph-master\load_gexf_to_neo4j.py", line 150, in <module>
    REF_NODE = gdb.node[0]
  File "C:\Python27\lib\site-packages\neo4jrestclient\client.py", line 1038, in __getitem__
    cypher=self._cypher)
  File "C:\Python27\lib\site-packages\neo4jrestclient\client.py", line 741, in __init__
    self.update()
  File "C:\Python27\lib\site-packages\neo4jrestclient\client.py", line 803, in update
    raise NotFoundError(response.status_code, "Unable get object")
neo4jrestclient.exceptions.NotFoundError: Code [404]: Not Found. Nothing matches the given URI.
Unable get object

Any ideas?