Odoo - 403: Forbidden The page you were looking for could not be authorized

I have made a web interface in Odoo which lists a tasks for the logged in user. The problem is that when a user does not have Administration Access Rights, the user is not able to see the page. Instead user sees the 403: Forbidden The page you were looking for could not be authorized error page. I do not want to assign Access Rights to every user. What is the solution to this problem?