{
  "id": "python/django-migration-no-changes-detected",
  "signature": "django.db.migrations.exceptions.NoChanges: No changes detected",
  "signature_zh": "Django迁移无变更检测到",
  "regex": "django\\.db\\.migrations\\.exceptions\\.NoChanges:\\ No\\ changes\\ detected",
  "domain": "python",
  "category": "config_error",
  "subcategory": null,
  "root_cause": "Django cannot detect any model changes to generate migrations, often due to incorrect app configuration or model definition issues.",
  "root_cause_type": "generic",
  "root_cause_zh": "Django无法检测到任何模型变更以生成迁移，通常由于应用配置错误或模型定义问题。",
  "versions": [
    {
      "version": "3.x",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "Running makemigrations again without changes",
      "why_fails": "If models are unchanged, repeated makemigrations will yield the same result.",
      "fail_rate": 0.9,
      "condition": "",
      "sources": []
    },
    {
      "action": "Deleting migration files",
      "why_fails": "Deleting existing migrations may cause inconsistencies; the underlying issue remains.",
      "fail_rate": 0.7,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "Check app registration and model definition",
      "success_rate": 0.8,
      "how": "Ensure the app is in INSTALLED_APPS and models are correctly defined. Run: python manage.py makemigrations your_app_name",
      "condition": "",
      "sources": []
    },
    {
      "action": "Manually create initial migration",
      "success_rate": 0.7,
      "how": "python manage.py makemigrations your_app_name --empty then edit the empty migration file.",
      "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": 0.85,
  "fix_success_rate": 0.8,
  "resolvable": "true",
  "first_seen": "2024-03-15",
  "last_confirmed": "2025-01-01",
  "last_updated": "2025-01-01",
  "evidence_count": 0,
  "tags": [],
  "locale": "en",
  "aliases": []
}