AttributeError at /social/setup/ 'AnonymousUser' object has no attribute 'backend'

[krishnadaszorse]

Request Method: POST
Request URL: http://nellikkaltours.com/social/setup/
Django Version: 1.5
Exception Type: AttributeError
Exception Value:

'AnonymousUser' object has no attribute 'backend'

Exception Location: /home/zorse/webapps/django/nellikkaltours.com/local/lib/python2.7/site-packages/django/utils/functional.py in inner, line 203
Python Executable: /home/zorse/webapps/django/nellikkaltours.com/bin/python
Python Version: 2.7.3
Python Path:

['/home/zorse/webapps/django/nellikkaltours.com/travel',
'/home/zorse/webapps/django/nellikkaltours.com/bin',
'/home/zorse/webapps/django/nellikkaltours.com/local/lib/python2.7/site-packages/distribute-0.6.24-py2.7.egg',
'/home/zorse/webapps/django/nellikkaltours.com/local/lib/python2.7/site-packages/pip-1.1-py2.7.egg',
'/home/zorse/webapps/django/nellikkaltours.com/travel',
'/home/zorse/webapps/django/nellikkaltours.com/lib/python2.7',
'/home/zorse/webapps/django/nellikkaltours.com/lib/python2.7/plat-linux2',
'/home/zorse/webapps/django/nellikkaltours.com/lib/python2.7/lib-tk',
'/home/zorse/webapps/django/nellikkaltours.com/lib/python2.7/lib-old',
'/home/zorse/webapps/django/nellikkaltours.com/lib/python2.7/lib-dynload',
'/usr/lib/python2.7',
'/usr/lib/python2.7/plat-linux2',
'/usr/lib/python2.7/lib-tk',
'/home/zorse/webapps/django/nellikkaltours.com/local/lib/python2.7/site-packages',
'/home/zorse/webapps/django/nellikkaltours.com/local/lib/python2.7/site-packages/PIL']

Server time: Fri, 28 Mar 2014 06:34:04 -0500