No installed app with label 'app_name' error message
Go to Django settings.py and put your app: "app_name" into INSTALLED_APPS.
If it doesn't work still, then check your syntax in models.py.
When I try to makemigrations of my models on my new project with Django, I receive an error message,>No installed app with label 'app_name', what could be the issue and how can I fix it.?