title: Raised NodeNotFoundError
body: <p>When I deploy the project on herokou server, while migrating, I encountered this error. While in my system, there was no such error and the project was working properly</p>
  <pre><code>Traceback (most recent call last):
    File &quot;manage.py&quot;, line 21, in &lt;module&gt;
      main()
    File &quot;manage.py&quot;, line 17, in main
      execute_from_command_line(sys.argv)
    File &quot;/app/.heroku/python/lib/python3.7/site-packages/django/core/management/__init__.py&quot;, line 401, i
  n execute_from_command_line
      utility.execute()
    File &quot;/app/.heroku/python/lib/python3.7/site-packages/django/core/management/__init__.py&quot;, line 395, i
  n execute
      self.fetch_command(subcommand).run_from_argv(self.argv)
    File &quot;/app/.heroku/python/lib/python3.7/site-packages/django/core/management/base.py&quot;, line 328, in ru
  n_from_argv
      self.execute(*args, **cmd_options)
    File &quot;/app/.heroku/python/lib/python3.7/site-packages/django/core/management/base.py&quot;, line 369, in ex
  ecute
      output = self.handle(*args, **options)
    File &quot;/app/.heroku/python/lib/python3.7/site-packages/django/core/management/base.py&quot;, line 83, in wra
  pped
      res = handle_func(*args, **kwargs)
    File &quot;/app/.heroku/python/lib/python3.7/site-packages/django/core/management/commands/migrate.py&quot;, lin
  e 86, in handle
      executor = MigrationExecutor(connection, self.migration_progress_callback)
    File &quot;/app/.heroku/python/lib/python3.7/site-packages/django/db/migrations/executor.py&quot;, line 18, in _
  _init__
      self.loader = MigrationLoader(self.connection)
    File &quot;/app/.heroku/python/lib/python3.7/site-packages/django/db/migrations/loader.py&quot;, line 49, in __i
  nit__
      self.build_graph()
    File &quot;/app/.heroku/python/lib/python3.7/site-packages/django/db/migrations/loader.py&quot;, line 274, in bu
  ild_graph
      raise exc
    File &quot;/app/.heroku/python/lib/python3.7/site-packages/django/db/migrations/loader.py&quot;, line 248, in bu
  ild_graph
      self.graph.validate_consistency()
    File &quot;/app/.heroku/python/lib/python3.7/site-packages/django/db/migrations/graph.py&quot;, line 195, in val
  idate_consistency
      [n.raise_error() for n in self.node_map.values() if isinstance(n, DummyNode)]
    File &quot;/app/.heroku/python/lib/python3.7/site-packages/django/db/migrations/graph.py&quot;, line 195, in &lt;li
  stcomp&gt;
      [n.raise_error() for n in self.node_map.values() if isinstance(n, DummyNode)]
    File &quot;/app/.heroku/python/lib/python3.7/site-packages/django/db/migrations/graph.py&quot;, line 58, in rais
  e_error
      raise NodeNotFoundError(self.error_message, self.key, origin=self.origin)
  django.db.migrations.exceptions.NodeNotFoundError: Migration account.0001_initial dependencies reference
   nonexistent parent node ('auth', '0013_auto_20200828_2241')
  </code></pre>
  <p>Where is the problem?</p>