Sign_out button disappear !!!

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Hello all ,
I work on Askbot project as app with django-cms so i have merged one database PostgreSQL so django use one auth user when i logged in from django-cms title bar i found that aim logged in askbot automatically but i found that Sign_out button disappear !!! so what happened to template
https://www.dropbox.com/s/h3nwfum5lo4g2a7/2015-02-20_101625.jpg?dl=0
i use : windows 7 , python 2.7.9 , virtualenv my package is :
akismet==0.2.0
amqp==1.4.6
anyjson==0.3.3
askbot==0.7.51
beautifulsoup4==4.3.2
billiard==3.3.0.19
celery==3.1.17
Coffin==0.3.8
dj-database-url==0.3.0
Django==1.5.12
django-admin-sortable==1.6.7
django-appconf==1.0.1
django-celery==3.1.16
django-classy-tags==0.6.1
django-cms==3.0.10
django-compressor==1.2
django-countries==1.0.5
django-followit==0.0.6
django-keyedcache==1.5.1
django-kombu==0.9.4
django-mptt==0.6.1
django-picklefield==0.3.0
django-recaptcha-works==0.3.4
django-reversion==1.7.1
django-robots==1.0
django-sekizai==0.7
django-threaded-multihost==1.4.post1
django-tinymce==1.5.1b2
djangocms-admin-style==0.2.5
djangocms-column==1.5
djangocms-file==0.1
djangocms-flash==0.1
djangocms-googlemap==0.2
djangocms-inherit==0.1
djangocms-installer==0.7.2
djangocms-link==1.5
djangocms-picture==0.1
djangocms-slideshow==0.1.5
djangocms-style==1.5
djangocms-teaser==0.1
djangocms-text-ckeditor==2.4.3
djangocms-video==0.1
easy-thumbnails==2.0.1
html5lib==0.90
httplib2==0.9
jinja2==2.7.3
kombu==3.0.24
longerusername==0.4
markdown2==2.3.0
markupsafe==0.23
oauth2==1.5.211
Pillow==2.7.0
psycopg2==2.5.4
pystache==0.3.1
python-openid==2.2.5
pytz==2014.10
requests==2.5.1
sanction==0.3.1
six==1.9.0
South==1.0.2
unidecode==0.4.17

any help i will appreciated >>>>