# 解决数据检查问题

数据检查问题可能在选择要上传的文件后的初始数据验证过程中出现。

### **什么是数据检查？**

数据检查是一个验证过程，系统会检查您的数据是否存在以下问题：

* 缺少必需数据
* 数据重复
* 数据不一致
* 数据差异
* 无效数据

## 解决数据检查问题的方法

1. 从数据导入过程中的验证导航中点击\*\*'数据检查'\*\*：
2. 点击后，在主内容区域列出了系统无法识别的所有字段的列表。

<figure><img src="https://github.com/QualityTrade/iaf-docs-certification-bodies-zh/blob/main/.gitbook/assets/[DM]-import-data-check-errors.png" alt=""><figcaption></figcaption></figure>

<table data-header-hidden data-full-width="true"><thead><tr><th width="180"></th><th width="483">描述</th></tr></thead><tbody><tr><td><strong>工作表标签</strong></td><td>错误所在的工作表标签</td></tr><tr><td><strong>字段名称</strong></td><td>错误出现的字段名称。</td></tr><tr><td><strong>行</strong></td><td>错误发生的行号</td></tr><tr><td><strong>数据值</strong></td><td>来自源文件的数据值</td></tr><tr><td><strong>错误</strong></td><td>错误描述</td></tr><tr><td><strong>建议</strong></td><td>解决错误的建议</td></tr></tbody></table>


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