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 | =============
System checks
=============
The following :external:doc:`system checks <topics/checks>` help verify the
Django Debug Toolbar setup and configuration:
* **debug_toolbar.W001**: ``debug_toolbar.middleware.DebugToolbarMiddleware``
  is missing from ``MIDDLEWARE``.
* **debug_toolbar.W002**: ``debug_toolbar.middleware.DebugToolbarMiddleware``
  occurs multiple times in ``MIDDLEWARE``.
* **debug_toolbar.W003**: ``debug_toolbar.middleware.DebugToolbarMiddleware``
  occurs before ``django.middleware.gzip.GZipMiddleware`` in ``MIDDLEWARE``.
* **debug_toolbar.W004**: ``debug_toolbar`` is incompatible with
  ``MIDDLEWARE_CLASSES`` setting.
* **debug_toolbar.W005**: Setting ``DEBUG_TOOLBAR_PANELS`` is empty.
* **debug_toolbar.W006**: At least one ``DjangoTemplates`` ``TEMPLATES``
  configuration needs to have
  ``django.template.loaders.app_directories.Loader`` included in
  ``["OPTIONS"]["loaders"]`` or ``APP_DIRS`` set to ``True``.
 |