django cms frontend editer display error - django

Question

Am trying to access the django cmcs frontend editor and after input the login details, i get the following error.
AttributeError at /en/
'NoneType' object has no attribute 'has_change_permission'
Request Method: GET
Request URL: http://*.*.*.*:8000/en/
Django Version: 1.6.5
Exception Type: AttributeError
Exception Value:
'NoneType' object has no attribute 'has_change_permission'
Exception Location: /home/bg/workspace/my-site/env/local/lib/python2.7/site-packages/cms/templatetags/cms_tags.py in get_processors, line 352
Python Executable: /home/bg/workspace/my-site/env/bin/python
Python Version: 2.7.3
Python Path:
['/home/bg/workspace/my-site',
'/home/bg/workspace/my-site/env/local/lib/python2.7/site-packages/distribute-0.6.24-py2.7.egg',
'/home/bg/workspace/my-site/env/lib/python2.7',
'/home/bg/workspace/my-site/env/lib/python2.7/plat-linux2',
'/home/bg/workspace/my-site/env/lib/python2.7/lib-tk',
'/home/bg/workspace/my-site/env/lib/python2.7/lib-old',
'/home/bg/workspace/my-site/env/lib/python2.7/lib-dynload',
'/usr/lib/python2.7',
'/usr/lib/python2.7/plat-linux2',
'/usr/lib/python2.7/lib-tk',
'/home/bg/workspace/my-site/env/local/lib/python2.7/site-packages']
How can i fix it?

Answer 1

I faced a similar issue with django-cms 3.0.4 / Python 3.4, it may be related to the djangocms-column plugin (version 1.4).
This problem appeared when editing a page; either with djangocms-installer default pages, as well as when creating a new page at trying to add the multi-columns plugin into it.
For a bit more details, the error is encountered when interpreting {% render_plugin plugin %}, in multi_column.html (line #4):
In template /dvlpt/venv/my_project/lib/python3.4/site-packages/djangocms_column/templates/cms/plugins/multi_column.html, error at line 4
'NoneType' object has no attribute 'has_change_permission'
More exactly, the AttributeError exception is raised by line #352 of cms/templatetags/cms_tags.py, in get_processors():
if toolbar and toolbar.edit_mode and placeholder.has_change_permission(request) and getattr(placeholder, 'is_editable', True):
...
I've posted a comment at djangocms-colum github : https://github.com/divio/djangocms-column/issues/14
Sorry, I cannot bring a more useful help yet, as I'm very new to django-cms at this time...
Cheers