---
document_id: agent.error.unknown_field
schema_version: 1
---

<!-- Generated by scripts.build_agent_guide; do not edit. -->

# unknown_field

Recovery / 恢复动作: `narrow_query`
Billing / 计费: `not_charged`

- Cause / 原因: The request names a field outside the authenticated dataset contract. / 请求使用了认证后数据集契约之外的字段。
- Agent: Call describe(dataset) once, replace the invalid field with a declared field, and retry the corrected query directly. Do not load a recipe or quote unless the user explicitly requested a price preview. / 只调用一次 describe(dataset)，将无效字段替换为契约声明字段后直接重试。除非用户明确要求价格预览，不得读取 recipe 或报价。
- User / 用户: Choose one of the documented dimensions or clarify the intended business concept. / 选择文档中的维度，或澄清希望表达的业务概念。