Unable to save embedded field data in django admin

[Rashmi R]

https://stackoverflow.com/questions/69477185/unable-to-save-embedded-field-data-in-django-admin

When I try to save an embedded field through django admin, it gives me an error AttributeError at /admin/myapp/post/add/ 'NoneType' object has no attribute 'attname' I'm using djongomapper as db connector to django and MongoDB.