{
  "id": "python/django-auth-backend-error",
  "signature": "django.core.exceptions.ImproperlyConfigured: Model backends are not supported by this authentication backend.",
  "signature_zh": "Django配置错误：此身份验证后端不支持模型后端。",
  "regex": "django\\.core\\.exceptions\\.ImproperlyConfigured:\\ Model\\ backends\\ are\\ not\\ supported\\ by\\ this\\ authentication\\ backend\\.",
  "domain": "python",
  "category": "auth_error",
  "subcategory": null,
  "root_cause": "A custom authentication backend is misconfigured or using wrong base class.",
  "root_cause_type": "generic",
  "root_cause_zh": "自定义身份验证后端配置错误或使用了错误的基类。",
  "versions": [
    {
      "version": "3.x",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "",
      "why_fails": "Loses custom authentication logic.",
      "fail_rate": 0.5,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "If custom backend is needed, this removes functionality.",
      "fail_rate": 0.6,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "",
      "success_rate": 0.85,
      "how": "Correctly subclass BaseBackend and implement authenticate() and get_user() methods.",
      "condition": "",
      "sources": []
    }
  ],
  "workarounds_zh": [],
  "transition_graph": {
    "leads_to": [],
    "preceded_by": [],
    "frequently_confused_with": []
  },
  "official_doc_url": null,
  "official_doc_section": null,
  "error_code": null,
  "verification_tier": "ai_generated",
  "confidence": 0.81,
  "fix_success_rate": 0.8,
  "resolvable": "true",
  "first_seen": "2024-06-30",
  "last_confirmed": "2025-01-01",
  "last_updated": "2025-01-01",
  "evidence_count": 0,
  "tags": [],
  "locale": "en",
  "aliases": []
}