title: Django 2.0 : Application labels aren't unique, duplicates: auth
body: <p>I've got this error after I tried to migrate my files</p>
  <p>PS C:\djangoproject\src&gt; python manage.py makemigrations</p>
  <pre><code>Traceback (most recent call last): 
    File &quot;manage.py&quot;, line 15, in &lt;module&gt;
  execute_from_command_line(sys.argv)   
    File &quot;C:\Program Files\Python36\lib\site-packages\django\core\management\__init__.py&quot;,line 371, in 
  execute_from_command_line utility.execute()
    File &quot;C:\Program Files\Python36\lib\site-packages\django\core\management\__init__.py&quot;,line 347, in execute
       django.setup()   
    File &quot;C:\Program Files\Python36\lib\site-packages\django\__init__.py&quot;, line 24, in setup
       apps.populate(settings.INSTALLED_APPS)   
    File &quot;C:\Program Files\Python36\lib\site-packages\django\apps\registry.py&quot;, line 93, in populate
          &quot;duplicates: %s&quot; % app_config.label)
  django.core.exceptions.ImproperlyConfigured: Application labels aren't unique, duplicates: auth
  </code></pre>
  <p>Please help.</p>