url navigation error

i have deployed my app on a VPS and can move to various pages of my app , e.g. myIP/django-bookmarks/login or myIP/django-bookmarks/ register.however, when i click on the tabs in the app itself (e.g. register tab), it takes me to myIP/register (without the 'django-bookmarks') and then says "

url navigation error

i have deployed my app on a VPS and can move to various pages of my app , e.g. myIP/django-bookmarks/login or myIP/django-bookmarks/register.however, when i click on the tabs in the app itself (e.g. register tab), it takes me to myIP/register (without the 'django-bookmarks') and then says "