I recently upgraded from Django 1.6.11 to Django 1.8.9, and installed django-formtools==1.0 as part of the process. I am getting this error, which does not point to a single line of my code. Has anyone come across this?
Internal Server Error: /accounts/activation-process/maria-cristo-2/
Traceback (most recent call last):
File "/home/vagrant/virtualenvs/staging/local/lib/python2.7/site-packages/django/core/handlers/base.py", line 132, in get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/home/vagrant/virtualenvs/staging/local/lib/python2.7/site-packages/django/views/generic/base.py", line 71, in view
return self.dispatch(request, *args, **kwargs)
File "/home/vagrant/virtualenvs/staging/local/lib/python2.7/site-packages/formtools/wizard/views.py", line 237, in dispatch
response = super(WizardView, self).dispatch(request, *args, **kwargs)
File "/home/vagrant/virtualenvs/staging/local/lib/python2.7/site-packages/django/views/generic/base.py", line 89, in dispatch
return handler(request, *args, **kwargs)
File "/home/vagrant/virtualenvs/staging/local/lib/python2.7/site-packages/formtools/wizard/views.py", line 300, in post
return self.render_done(form, **kwargs)
File "/home/vagrant/virtualenvs/staging/local/lib/python2.7/site-packages/formtools/wizard/views.py", line 358, in render_done
self.storage.reset()
File "/home/vagrant/virtualenvs/staging/local/lib/python2.7/site-packages/formtools/wizard/storage/base.py", line 34, in reset
wizard_files = self.data[self.step_files_key]
File "/home/vagrant/virtualenvs/staging/local/lib/python2.7/site-packages/formtools/wizard/storage/session.py", line 13, in _get_data
return self.request.session[self.prefix]
File "/home/vagrant/virtualenvs/staging/local/lib/python2.7/site-packages/django/contrib/sessions/backends/base.py", line 48, in __getitem__
return self._session[key]
KeyError: 'wizard_activation_wizard'
