i am doing a web app for a printing shop using django ango mongodb.when i am migrating it shows errors.and changed migraionfile it shows an error like this:Traceback (most recent call last):
File “C:UsersshamzOneDriveDesktopshobidouble2_Projectdouble_two_Printmanage.py”, line 22, in
main()
File “C:UsersshamzOneDriveDesktopshobidouble2_Projectdouble_two_Printmanage.py”, line 18, in main
execute_from_command_line(sys.argv)
File “C:UsersshamzOneDriveDesktopshobidouble2_ProjectshoaibaLibsite-packagesdjangocoremanagement_init_.py”, line 446, in execute_from_command_line
utility.execute()
File “C:UsersshamzOneDriveDesktopshobidouble2_ProjectshoaibaLibsite-packagesdjangocoremanagement_init_.py”, line 440, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File “C:UsersshamzOneDriveDesktopshobidouble2_ProjectshoaibaLibsite-packagesdjangocoremanagementbase.py”, line 402, in run_from_argv
self.execute(*args, **cmd_options)
File “C:UsersshamzOneDriveDesktopshobidouble2_ProjectshoaibaLibsite-packagesdjangocoremanagementbase.py”, line 448, in execute
output = self.handle(*args, **options)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File “C:UsersshamzOneDriveDesktopshobidouble2_ProjectshoaibaLibsite-packagesdjangocoremanagementbase.py”, line 96, in wrapped
res = handle_func(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File “C:UsersshamzOneDriveDesktopshobidouble2_ProjectshoaibaLibsite-packagesdjangocoremanagementcommandsmakemigrations.py”, line 196, in handle
loader.project_state(),
^^^^^^^^^^^^^^^^^^^^^^
File “C:UsersshamzOneDriveDesktopshobidouble2_ProjectshoaibaLibsite-packagesdjangodbmigrationsloader.py”, line 361, in project_state
return self.graph.make_state(
^^^^^^^^^^^^^^^^^^^^^^
File “C:UsersshamzOneDriveDesktopshobidouble2_ProjectshoaibaLibsite-packagesdjangodbmigrationsgraph.py”, line 329, in make_state
project_state = self.nodes[node].mutate_state(project_state, preserve=False)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File “C:UsersshamzOneDriveDesktopshobidouble2_ProjectshoaibaLibsite-packagesdjangodbmigrationsmigration.py”, line 89, in mutate_state
operation.state_forwards(self.app_label, new_state)
File “C:UsersshamzOneDriveDesktopshobidouble2_ProjectshoaibaLibsite-packagesdjangodbmigrationsoperationsfields.py”, line 93, in state_forwards
state.add_field(
File “C:UsersshamzOneDriveDesktopshobidouble2_ProjectshoaibaLibsite-packagesdjangodbmigrationsstate.py”, line 248, in add_field
self.models[model_key].fields[name] = field
~~~~~~~~~~~^^^^^^^^^^^
KeyError: (‘products’, ‘product’)

what it means?

i tried to migrate my file.it shows django’s problem.