Uncaught TypeError: Cannot read properties of undefined (reading 'bm')

根据提供的引用内容，出现"Uncaught TypeError: Cannot read properties of undefined (reading 'bm')"错误的原因可能是在代码中尝试读取一个未定义的属性。根据提供的信息，问题可能与formatter方法的返回值有关。在引用中提到，如果formatter方法返回一个对象，即使是最简单的{}，也会出现这个错误。因此，可能需要检查代码中的formatter方法，并确保它返回的是一个有效的值，例如一个字符串或一个已定义的属性值，而不是一个对象。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
- *1* [ASP.NET MVC运行出现Uncaught TypeError: Cannot set property __MVC_FormValidation of null的解决方法](https://download.csdn.net/download/weixin_38731761/13069683)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_2"}}] [.reference_item style="max-width: 50%"]
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