$python manage.py syncdb
Operations to perform:
Apply all migrations: admin, contenttypes, auth, sessions
Running migrations:
No migrations to apply.
Your models have changes that are not yet reflected in a migration, and so won't be applied.
Run 'manage.py makemigrations' to make new migrations, and then re-run 'manage.py migrate' to apply them.
the error printscreen
i don't know what the problem !
As the command line output says the problem is that you changed the models. The solution is to run python manage.py makemigrations
and then python manage.py migrate
.