No converter available for format gcmd_dif 

 (Exception: Traceback (most recent call last):
  File "/usr/lib/ckan/default/lib/python2.7/site-packages/pylons/controllers/core.py", line 80, in _inspect_call
    argspec = cached_argspecs[func.im_func]
KeyError: <function package_export at 0x7f0bc96c9c08>
)