IndexError on Character API method

[porowns]

HTTP Version Not Supported: /eveonline/api/characters/

Traceback (most recent call last):
  File "/usr/local/lib/python3.6/site-packages/django/core/handlers/exception.py", line 34, in inner
    response = get_response(request)
  File "/usr/local/lib/python3.6/site-packages/django/core/handlers/base.py", line 115, in _get_response
    response = self.process_exception_by_middleware(e, request)
  File "/usr/local/lib/python3.6/site-packages/django/core/handlers/base.py", line 113, in _get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "/usr/local/lib/python3.6/site-packages/django/contrib/auth/decorators.py", line 21, in _wrapped_view
    return view_func(request, *args, **kwargs)
  File "/usr/local/lib/python3.6/site-packages/django_eveonline_connector/views/api.py", line 63, in get_characters
    return CharacterJson.as_view()(request)
  File "/usr/local/lib/python3.6/site-packages/django/views/generic/base.py", line 71, in view
    return self.dispatch(request, *args, **kwargs)
  File "/usr/local/lib/python3.6/site-packages/django/views/generic/base.py", line 97, in dispatch
    return handler(request, *args, **kwargs)
  File "/usr/local/lib/python3.6/site-packages/django_datatables_view/mixins.py", line 50, in get
    func_val = self.get_context_data(**kwargs)
  File "/usr/local/lib/python3.6/site-packages/django_datatables_view/base_datatable_view.py", line 373, in get_context_data
    return self.handle_exception(e)
  File "/usr/local/lib/python3.6/site-packages/django_datatables_view/base_datatable_view.py", line 310, in handle_exception
    raise e
  File "/usr/local/lib/python3.6/site-packages/django_datatables_view/base_datatable_view.py", line 349, in get_context_data
    qs = self.ordering(qs)
  File "/usr/local/lib/python3.6/site-packages/django_datatables_view/base_datatable_view.py", line 204, in ordering
    sortcol = order_columns[sort_col]
IndexError: list index out of range