title: django.core.exceptions.ImproperlyConfigured: Django 3.0.1 is not supported
body: <p>This Django project is working before I created another Django project on my computer. But today when I run the project it shows error message like that=></p>
  
  <pre><code>Traceback (most recent call last):
    File "manage.py", line 15, in &lt;module&gt;
      execute_from_command_line(sys.argv)
    File "Users..\AppData\Local\Programs\Python\Python37-32\lib\site-packages\django\core\management\__init__.py", line 401, in execute_from_command_line
      utility.execute()
    File "Users..\AppData\Local\Programs\Python\Python37-32\lib\site-packages\django\core\management\__init__.py", line 377, in execute
      django.setup()
    File "Users..\AppData\Local\Programs\Python\Python37-32\lib\site-packages\django\__init__.py", line 24, in setup
      apps.populate(settings.INSTALLED_APPS)
    File "Users..\AppData\Local\Programs\Python\Python37-32\lib\site-packages\django\apps\registry.py", line 114,
  in populate
      app_config.import_models()
    File "Users..\AppData\Local\Programs\Python\Python37-32\lib\site-packages\django\apps\config.py", line 211, in import_models
      self.models_module = import_module(models_module_name)
    File "Users..\AppData\Local\Programs\Python\Python37-32\lib\importlib\__init__.py", line 127, in import_module
      return _bootstrap._gcd_import(name[level:], package, level)
    File "&lt;frozen importlib._bootstrap&gt;", line 1006, in _gcd_import
    File "&lt;frozen importlib._bootstrap&gt;", line 983, in _find_and_load
    File "&lt;frozen importlib._bootstrap&gt;", line 967, in _find_and_load_unlocked
    File "&lt;frozen importlib._bootstrap&gt;", line 677, in _load_unlocked
    File "&lt;frozen importlib._bootstrap_external&gt;", line 728, in exec_module
    File "&lt;frozen importlib._bootstrap&gt;", line 219, in _call_with_frames_removed
    File "Users..\AppData\Local\Programs\Python\Python37-32\lib\site-packages\django\contrib\auth\models.py", line 2, in &lt;module&gt;
      from django.contrib.auth.base_user import AbstractBaseUser, BaseUserManager
    File "Users..\AppData\Local\Programs\Python\Python37-32\lib\site-packages\django\contrib\auth\base_user.py", line 47, in &lt;module&gt;
      class AbstractBaseUser(models.Model):
    File "Users..\AppData\Local\Programs\Python\Python37-32\lib\site-packages\django\db\models\base.py", line 121, in __new__
      new_class.add_to_class('_meta', Options(meta, app_label))
    File "Users..\AppData\Local\Programs\Python\Python37-32\lib\site-packages\django\db\models\base.py", line 325, in add_to_class
      value.contribute_to_class(cls, name)
    File "Users..\AppData\Local\Programs\Python\Python37-32\lib\site-packages\django\db\models\options.py", line 208, in contribute_to_class
      self.db_table = truncate_name(self.db_table, connection.ops.max_name_length())
    File "Users..\AppData\Local\Programs\Python\Python37-32\lib\site-packages\django\db\__init__.py", line 28, in
  __getattr__
      return getattr(connections[DEFAULT_DB_ALIAS], item)
    File "Users..\AppData\Local\Programs\Python\Python37-32\lib\site-packages\django\db\utils.py", line 207, in __getitem__
      backend = load_backend(db['ENGINE'])
    File "Users..\AppData\Local\Programs\Python\Python37-32\lib\site-packages\django\db\utils.py", line 111, in load_backend
      return import_module('%s.base' % backend_name)
    File "Users..\AppData\Local\Programs\Python\Python37-32\lib\importlib\__init__.py", line 127, in import_module
      return _bootstrap._gcd_import(name[level:], package, level)
    File "Users..\AppData\Local\Programs\Python\Python37-32\lib\site-packages\sql_server\pyodbc\base.py", line 12, in &lt;module&gt;
      raise ImproperlyConfigured("Django %d.%d.%d is not supported." % VERSION[:3])
  django.core.exceptions.ImproperlyConfigured: Django 3.0.1 is not supported.
  </code></pre>
  
  <p>What is mean Django 3.0.1 is not supported?</p>