Question: I am practicing Django but when I command python manage.py makemigration and python manage.py migrate then I got an error as show in the title. the full error is mentioned below: C:\Users\Manan\python projects\djangoandmongo\new_Socrai>python manage.py migrate Operations to perform: Apply all migrations: admin, auth, contenttypes, sessions Running migrations: Applying contenttypes.0001_initial... OK Applying auth.0001_initial... OK Applying admin.0001_initial... OK Applying admin.0002_logentry_remove_auto_add... OK Applying admin.0003_logentry_add_action_flag_choices... OK Applying contenttypes.0002_remove_content_type_name... OK Applying auth.0002_alter_permission_name_max_length... OK Applying auth.0003_alter_user_email_max_length... OK Applying auth.0004_alter_user_username_opts... OK Applying auth.0005_alter_user_last_login_null... OK Applying auth.0006_require_contenttypes_0002... OK Applying auth.0007_alter_validators_add_error_messages... OK Applying auth.0008_alter_user_username_max_length... OK Applying auth.0009_alter_user_last_name_max_length... OK Applying auth.0010_alter_group_name_max_length... OK Applying auth.0011_update_proxy_permissions... OK Applying sessions.0001_initial... OK Traceback (most recent call last): File "manage.py", line 22, in <module> main() File "manage.py", line 18, in main execute_from_command_line(sys.argv) File "C:\Users\Manan\python projects\djangoandmongo\dandm_env\lib\site-packages\django\core\management\__init__.py", line 401, in execute_from_command_line utility.execute() File "C:\Users\Manan\python projects\djangoandmongo\dandm_env\lib\site-packages\django\core\management\__init__.py", line 395, in execute self.fetch_command(subcommand).run_from_argv(self.argv) File "C:\Users\Manan\python projects\djangoandmongo\dandm_env\lib\site-packages\django\core\management\base.py", line 341, in run _from_argv connections.close_all() File "C:\Users\Manan\python projects\djangoandmongo\dandm_env\lib\site-packages\django\db\utils.py", line 230, in close_all connection.close() File "C:\Users\Manan\python projects\djangoandmongo\dandm_env\lib\site-packages\django\utils\asyncio.py", line 26, in inner return func(*args, **kwargs) File "C:\Users\Manan\python projects\djangoandmongo\dandm_env\lib\site-packages\django\db\backends\sqlite3\base.py", line 261, in close if not self.is_in_memory_db(): File "C:\Users\Manan\python projects\djangoandmongo\dandm_env\lib\site-packages\django\db\backends\sqlite3\base.py", line 380, in is_in_memory_db return self.creation.is_in_memory_db(self.settings_dict['NAME']) File "C:\Users\Manan\python projects\djangoandmongo\dandm_env\lib\site-packages\django\db\backends\sqlite3\creation.py", line 12, in is_in_memory_db return database_name == ':memory:' or 'mode=memory' in database_name TypeError: argument of type 'WindowsPath' is not iterable 

Answer: It seems like the setting DATABASES - NAME expects a string, not a Path object. In your settings try changing this line 'NAME': BASE_DIR / 'db.sqlite3',  to 'NAME': str(BASE_DIR / 'db.sqlite3'),  so that NAME is a string instead of a Path.  The error comes from this line of code django/db/backends/sqlite3/creation.py#L13 and it seems that this commit solves the issue, so in Django v3.1.1 there is no need to use 'NAME': str(BASE_DIR / 'db.sqlite3'), anymore, just using 'NAME': BASE_DIR / 'db.sqlite3', should sufice.