Following The First Django App Tutorial And I Can't Execute The Runserver Command

I can't get the django server to run. I've been following this tutorial and I'm having no luck. Whenever I run the command python manage.py runserver I get the following: Validati

Solution 1:

Your models are invalid. It will be easy to help if you can share code inside your models.py.

In the meantime please have a look at Django: Error when calling the metaclass bases, a related question.