Traceback (most recent call last):
File "/usr/local/lib/site-python/django/core/handlers/base.py" in get_response
  77. response = callback(request, *callback_args, **callback_kwargs)
File "/usr/local/lib/site-python/django/contrib/admin/views/decorators.py" in _checklogin
  55. return view_func(request, *args, **kwargs)
File "/usr/local/lib/site-python/django/views/decorators/cache.py" in _wrapped_view_func
  39. response = view_func(request, *args, **kwargs)
File "/usr/local/lib/site-python/django/contrib/admin/views/main.py" in add_stage
  254. new_object = manipulator.save(new_data)
File "/usr/local/lib/site-python/django/db/models/manipulators.py" in save
  178. if f.core and not isinstance(f, FileField) and f.get_manipulator_new_data(rel_new_data, rel=True) in (None, ''):
File "/usr/local/lib/site-python/django/db/models/fields/__init__.py" in get_manipulator_new_data
  289. return new_data.get(self.name, [self.get_default()])[0]

  IndexError at /admin/campaign/campaign/add/
  string index out of range