File "/usr/lib/python2.5/site-packages/twisted/web/server.py", line 149, in process
    resrc = self.site.getResourceFor(self)
  File "/usr/lib/python2.5/site-packages/twisted/web/server.py", line 567, in getResourceFor
    return resource.getChildForRequest(self.resource, request)
  File "/usr/lib/python2.5/site-packages/twisted/web/resource.py", line 50, in getChildForRequest
    resource = resource.getChildWithDefault(pathElement, request)
  File "/usr/lib/python2.5/site-packages/Coherence-0.3.1-py2.5.egg/coherence/upnp/devices/media_server.py", line 85, in getChildWithDefault
    return self.getChild(path, request)
  File "/usr/lib/python2.5/site-packages/Coherence-0.3.1-py2.5.egg/coherence/upnp/devices/media_server.py", line 108, in getChild
    ch = self.store.get_by_id(name)
  File "/usr/lib/python2.5/site-packages/Coherence-0.3.1-py2.5.egg/coherence/backends/fs_storage.py", line 254, in get_by_id
    id = int(id)
exceptions.ValueError: invalid literal for int() with base 10: '1051.ssa'