title: A server error occurred. Please contact the administrator
body: <p>I am developing a web-app in Django (python). It was working fine in last few days, but then i started developing another app using django. Now after switching to that old app development when I am running the server, I am getting an error: "A server error occurred.  Please contact the administrator."</p>
  
  <p><strong>The traceback from the terminal:</strong></p>
  
  <pre><code>File "/Users/somdipdey/anaconda/lib/python2.7/wsgiref/handlers.py", line 85, in run
      self.result = application(self.environ, self.start_response)
    File "/Users/somdipdey/anaconda/lib/python2.7/site-packages/django/contrib/staticfiles/handlers.py", line 64, in __call__
      return self.application(environ, start_response)
    File "/Users/somdipdey/anaconda/lib/python2.7/site-packages/django/core/handlers/wsgi.py", line 168, in __call__
      self.load_middleware()
    File "/Users/somdipdey/anaconda/lib/python2.7/site-packages/django/core/handlers/base.py", line 44, in load_middleware
      mw_class = import_string(middleware_path)
    File "/Users/somdipdey/anaconda/lib/python2.7/site-packages/django/utils/module_loading.py", line 26, in import_string
      module = import_module(module_path)
    File "/Users/somdipdey/anaconda/lib/python2.7/importlib/__init__.py", line 37, in import_module
      __import__(name)
  ImportError: No module named security
  </code></pre>
  
  <p><strong>Settings file:</strong></p>
  
  <pre><code>"""
  Django settings for SteanneWebsite project.
  
  Generated by 'django-admin startproject' using Django 1.8.
  
  For more information on this file, see
  https://docs.djangoproject.com/en/dev/topics/settings/
  
  For the full list of settings and their values, see
  https://docs.djangoproject.com/en/dev/ref/settings/
  """
  
  # Build paths inside the project like this: os.path.join(BASE_DIR, ...)
  import os
  BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
  
  
  # Quick-start development settings - unsuitable for production
  # See https://docs.djangoproject.com/en/dev/howto/deployment/checklist/
  
  # SECURITY WARNING: keep the secret key used in production secret!
  SECRET_KEY = '^ay$t!hm-4fm4!)ppxoc!$j1^p1b&amp;kiv+*s&amp;3eox^k*bh$er^8'
  
  # SECURITY WARNING: don't run with debug turned on in production!
  DEBUG = True
  
  TEMPLATE_DEBUG = True
  
  ALLOWED_HOSTS = ['*']
  
  
  # Application definition
  
  INSTALLED_APPS = (
      'django.contrib.admin',
      'django.contrib.auth',
      'django.contrib.contenttypes',
      'django.contrib.sessions',
      'django.contrib.messages',
      'django.contrib.staticfiles',
      'News',
      'Messages',
  )
  
  MIDDLEWARE_CLASSES = (
      'django.contrib.sessions.middleware.SessionMiddleware',
      'django.middleware.common.CommonMiddleware',
      'django.middleware.csrf.CsrfViewMiddleware',
      'django.contrib.auth.middleware.AuthenticationMiddleware',
      'django.contrib.auth.middleware.SessionAuthenticationMiddleware',
      'django.contrib.messages.middleware.MessageMiddleware',
      'django.middleware.clickjacking.XFrameOptionsMiddleware',
      'django.middleware.security.SecurityMiddleware',
      'django.contrib.admin',
  )
  
  ROOT_URLCONF = 'SteanneWebsite.urls'
  
  WSGI_APPLICATION = 'SteanneWebsite.wsgi.application'
  
  
  # Database
  # https://docs.djangoproject.com/en/dev/ref/settings/#databases
  
  DATABASES = {
      'default': {
          'ENGINE': 'django.db.backends.sqlite3',
          'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
      }
  }
  
  # Internationalization
  # https://docs.djangoproject.com/en/dev/topics/i18n/
  
  LANGUAGE_CODE = 'en-us'
  
  TIME_ZONE = 'UTC'
  
  USE_I18N = True
  
  USE_L10N = True
  
  USE_TZ = True
  
  
  # Static files (CSS, JavaScript, Images)
  # https://docs.djangoproject.com/en/dev/howto/static-files/
  
  STATIC_URL = '/static/'
  
  #Template Location
  TEMPLATE_DIRS = (
      os.path.join(os.path.dirname(BASE_DIR), "static", "templates"),
  )
  </code></pre>