Environment:


Request Method: GET
Request URL: http://localhost:8080/

Django Version: 1.6.2
Python Version: 2.7.3
Installed Applications:
['django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sites',
 'django.contrib.messages',
 'django.contrib.staticfiles',
 'django.contrib.sitemaps',
 'compressor',
 'django.contrib.sites',
 'django.contrib.admin',
 'django.contrib.messages',
 'django.contrib.humanize',
 'django.contrib.flatpages',
 'allauth',
 'allauth.account',
 'allauth.socialaccount',
 'allauth.socialaccount.providers.persona',
 'allauth.socialaccount.providers.google',
 'allauth.socialaccount.providers.twitter',
 'allauth.socialaccount.providers.facebook',
 'haystack',
 'crispy_forms',
 'djcelery',
 'kombu.transport.django',
 'biostar.apps.util',
 'biostar.apps.posts',
 'biostar.apps.messages',
 'biostar.apps.badges',
 'biostar.apps.users',
 'biostar.server']
Installed Middleware:
('django.middleware.common.CommonMiddleware',
 'django.contrib.sessions.middleware.SessionMiddleware',
 'django.middleware.csrf.CsrfViewMiddleware',
 'django.contrib.auth.middleware.AuthenticationMiddleware',
 'django.contrib.messages.middleware.MessageMiddleware',
 'django.middleware.clickjacking.XFrameOptionsMiddleware',
 'django.contrib.flatpages.middleware.FlatpageFallbackMiddleware',
 'biostar.server.middleware.Visit')


Traceback:
File "/home/hellboy2k8/Documents/neuroStar/venv/local/lib/python2.7/site-packages/django/core/handlers/base.py" in get_response
  90.                 response = middleware_method(request)
File "/home/hellboy2k8/Documents/neuroStar/biostar-central/biostar/server/middleware.py" in process_request
  124.                 counts = get_counts(request)
File "/home/hellboy2k8/Documents/neuroStar/biostar-central/biostar/server/middleware.py" in get_counts
  79.         counts['messages'] = Message.objects.filter(user=user, read_at=None, sent_at__gt=since).count()
File "/home/hellboy2k8/Documents/neuroStar/venv/local/lib/python2.7/site-packages/django/db/models/manager.py" in filter
  163.         return self.get_queryset().filter(*args, **kwargs)
File "/home/hellboy2k8/Documents/neuroStar/venv/local/lib/python2.7/site-packages/django/db/models/query.py" in filter
  590.         return self._filter_or_exclude(False, *args, **kwargs)
File "/home/hellboy2k8/Documents/neuroStar/venv/local/lib/python2.7/site-packages/django/db/models/query.py" in _filter_or_exclude
  608.             clone.query.add_q(Q(*args, **kwargs))
File "/home/hellboy2k8/Documents/neuroStar/venv/local/lib/python2.7/site-packages/django/db/models/sql/query.py" in add_q
  1198.         clause = self._add_q(where_part, used_aliases)
File "/home/hellboy2k8/Documents/neuroStar/venv/local/lib/python2.7/site-packages/django/db/models/sql/query.py" in _add_q
  1234.                     current_negated=current_negated)
File "/home/hellboy2k8/Documents/neuroStar/venv/local/lib/python2.7/site-packages/django/db/models/sql/query.py" in build_filter
  1100.                     allow_explicit_fk=True)
File "/home/hellboy2k8/Documents/neuroStar/venv/local/lib/python2.7/site-packages/django/db/models/sql/query.py" in setup_joins
  1357.             names, opts, allow_many, allow_explicit_fk)
File "/home/hellboy2k8/Documents/neuroStar/venv/local/lib/python2.7/site-packages/django/db/models/sql/query.py" in names_to_path
  1277.                                      "Choices are: %s" % (name, ", ".join(available)))

Exception Type: FieldError at /
Exception Value: Cannot resolve keyword 'read_at' into field. Choices are: body, id, sent_at, type, unread, user