> For the complete documentation index, see [llms.txt](https://doc.itick.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.itick.org/start/cuo-wu-dai-ma.md).

# 错误代码

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| 错误代码 | 错误信息                                     | 错误说明                         |
| ---- | ---------------------------------------- | ---------------------------- |
| E001 | not found this produce                   | 标的物产品不存在，需要检查code是否正确或联系客户增加 |
| E002 | auth failed                              | 授权失败                         |
| E003 | exceeding the maximum subscription limit | 超出最大订阅产品数量，需要联系客服或者升级套餐      |