django admin.E408 admin.E409 admin.E410(must be in MIDDLEWARE in order to use the admin applicatio)

django 运行时提示下面的错误： ERRORS: ?: (admin.E408) 'django.contrib.auth.middleware.AuthenticationMiddleware' must be in MIDDLEWARE in order to use the admin application. ?: (admin.E409) 'django.contrib.messag

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