An Expat error is raised when listing snippets in Satellite 5 through the api

Issue

• An Expat error is raised when listing snippets in Satellite 5 through the api :

<methodResponse><fault><value><struct><member><name>faultCode</name><value><int>-1</int></value></member><member><name>faultString</name><value><string>java.lang.RuntimeException: File not found: /var/lib/cobbler/snippets/spacewalk/1/mod_pre__p-rhelforsa'
Traceback (most recent call last):
  File "./test.py", line 12, in <module>
    print client.kickstart.snippet.listCustom(session)
  File "/usr/lib64/python2.6/xmlrpclib.py", line 1199, in __call__
    return self.__send(self.__name, args)
  File "/usr/lib64/python2.6/xmlrpclib.py", line 1489, in __request
    verbose=self.__verbose
  File "/usr/lib64/python2.6/xmlrpclib.py", line 1253, in request
    return self._parse_response(h.getfile(), sock)
  File "/usr/lib64/python2.6/xmlrpclib.py", line 1387, in _parse_response
    p.feed(response)
  File "/usr/lib64/python2.6/xmlrpclib.py", line 601, in feed
    self._parser.Parse(data, 0)
xml.parsers.expat.ExpatError: XML or text declaration not at start of entity: line 10, column 15