Error when loading data to database to postgresql

Please how do I fix this error that comes up when loading data. See the error message below. Thanks Traceback (most recent call last): File "/app/.heroku/python/lib/python3.9/site-packages/django/contrib/contenttypes/models.py", line 19, in get_by_natural_key ct = self._cache[self.db][(

Edit record is not saving changes in frontend

I am creating a CRUD application. The create, read and delete function are working but edit record is showing the instance in the form* but it is not saving changes.* *Here is my code.* *===* *views.py* def edit(request, id): student = Student.objects.get(id=id) form = StudentForm