The main reason is that Django is upgraded or downgraded;
Solution:
1. Delete database content
2、python manage.py makemigrations
3、python manage.py migrate
4、python manage.py createsuperuser
The main reason is that Django is upgraded or downgraded;
Solution:
1. Delete database content
2、python manage.py makemigrations
3、python manage.py migrate
4、python manage.py createsuperuser