Page not found (404)

Request Method: GET
Request URL: http://mgl.org.il/en/lesson/teacher/6/%25D7%25A9%25D7%25A0%25D7%2599%25D7%2599%25D7%259D-%25D7%2590%25D7%2595%25D7%2597%25D7%2596%25D7%2599%25D7%259D-9/
Raised by: mezzanine.pages.views.page

You're seeing this error because you have DEBUG = True in your Django settings file. Change that to False, and Django will display a standard 404 page.