"element type is invalid" 意味着React期望得到一个有效的组件类型(如类组件或函数组件),但实际上得到的是无效的类型。 "received a promise that resolves to: [object]" 表示React接收到了一个Promise对象,这个Promise对象解析后的结果不是一个有效的组件类型。 分析可能的原因: 最常见的原因是
Error: Element type is invalid: expected a string (for built-in components) or a class/function (for composite components) but got: object. Check the render method of App. 代码 index.js import Reactfrom'react'; import ReactDOMfrom'react-dom'; import'./index.css'; import Appfrom'./App'...
问我不明白为什么会出现以下错误：" error : Element type is invalid:“EN我对React是个新手，对Fireb...
简介: Error: Element type is invalid: expected a string (for built-in components) or a class/function 问题 Error: Element type is invalid: expected a string (for built-in components) or a class/function (for composite components) but got: object. 解决 错误还在深处。。。 查看导出导入,注意...
Uncaught Error: Element type is invalid: expected a string or a class/function but got: object. fixed: 把DOM节点写成函数或者组件再丢进去即可. 直接写dom常量的话就是一个对象,而我们需要的是一个可供渲染的组件 // 如constItem=<Textcontent="A bug is given"/>// 改成constItem= () =><Textcon...
Ensure package.json has "type": "module" specified along with latest Next.js stable (14.2.5) and Material UI version (5.16.4) Use an MUI component in layout.js. You will get "Internal error: Error: Element type is invalid: expected a string (for built-in components) or a class/funct...
ERROR Error: Element type is invalid: expected a string (for built-in components) or a class/function (for composite components) but got: object. You likely forgot to export your component from the file it's defined in, or you might have mixed up default and named imports.This...
The following <error-type> elements include an <attribute-name> element to give the context of the error. ValueDescription invalid-modification-typeReturned during a delta import on an LDIF management agent under two conditions: when a value modification type is not one of the standard LDIF modif...
2160 TextLine es INVALID y no se puede utilizar para acceder al estado actual del objeto TextBlock. 2161 Se ha producido un error interno al establecer el texto. 2162 El tipo de salida Shader no es compatible con esta operación. 2163 El tipo de entrada Shader %1 no es compatible con ...
React报错:Error: Element type is invalid: expected a string (for built-in components) or a class/function (for composite components) but got: undefined. React报错: 报错原因List.Item的Item写成了item,小写的i