Reverse for 'index' with arguments '()' and keyword arguments '{}' not found. 0 pattern(s) tried: []

[manjushah]

After adding few missing templates like plain.html.

I get the above error. Also this is my first time integrating mongoengine with django. Please help me with this.

NoReverseMatch at /login/
Reverse for 'index' with arguments '()' and keyword arguments '{}' not found. 0 pattern(s) tried: []
Request Method: GET
Request URL: http://localhost:8000/login/
Django Version: 1.7
Exception Type: NoReverseMatch
Exception Value:
Reverse for 'index' with arguments '()' and keyword arguments '{}' not found. 0 pattern(s) tried: []
Exception Location: /Users/work/django-mongo/mongo-env/lib/python2.7/site-packages/django/core/urlresolvers.py in _reverse_with_prefix, line 463
Python Executable: /Users/work/django-mongo/mongo-env/bin/python
Python Version: 2.7.13
Python Path:
['/Users/work/django-mongo/flash',
'/Users/work/django-mongo/mongo-env/lib/python27.zip',
'/Users/work/django-mongo/mongo-env/lib/python2.7',
'/Users/work/django-mongo/mongo-env/lib/python2.7/plat-darwin',
'/Users/work/django-mongo/mongo-env/lib/python2.7/plat-mac',
'/Users/work/django-mongo/mongo-env/lib/python2.7/plat-mac/lib-scriptpackages',
'/Users/work/django-mongo/mongo-env/lib/python2.7/lib-tk',
'/Users/work/django-mongo/mongo-env/lib/python2.7/lib-old',
'/Users/work/django-mongo/mongo-env/lib/python2.7/lib-dynload',
'/usr/local/Cellar/python/2.7.13/Frameworks/Python.framework/Versions/2.7/lib/python2.7',
'/usr/local/Cellar/python/2.7.13/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plat-darwin',
'/usr/local/Cellar/python/2.7.13/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-tk',
'/usr/local/Cellar/python/2.7.13/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plat-mac',
'/usr/local/Cellar/python/2.7.13/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plat-mac/lib-scriptpackages',
'/Users/work/django-mongo/mongo-env/lib/python2.7/site-packages',
'/Users/work/django-mongo/mongo-env/lib/python2.7/site-packages/mongoadmin-0.2-py2.7.egg',
'/Users/work/django-mongo/mongo-env/lib/python2.7/site-packages']