How do I fix the error "Error: no valid exports main found" on windows 7

Question

我无法运行在我的 windows 7 OS 上响应应用程序。我安装了 npm 版本 6.13.4，节点版本 13.6.0。当我执行 npm start 时，它给了我以下错误代码。我尝试删除节点模块并再次安装 npm 并尝试运行但它仍然出错。知道如何解决这个问题吗？

Error: No valid exports main found for 'D:\practice\samplereact\test\node_modules\postcss-safe-parser\node_modules\postcss'
←[90m    at resolveExportsTarget (internal/modules/cjs/loader.js:625:9)←[39m
←[90m    at applyExports (internal/modules/cjs/loader.js:502:14)←[39m
←[90m    at resolveExports (internal/modules/cjs/loader.js:551:12)←[39m
←[90m    at Function.Module._findPath (internal/modules/cjs/loader.js:657:22)←[39m
←[90m    at Function.Module._resolveFilename (internal/modules/cjs/loader.js:960:27)←[39m
←[90m    at Function.Module._load (internal/modules/cjs/loader.js:855:27)←[39m
←[90m    at Module.require (internal/modules/cjs/loader.js:1033:19)←[39m
←[90m    at require (internal/modules/cjs/helpers.js:72:18)←[39m
    at Object.<anonymous> 
(D:\practice\samplereact\test\node_modules\←[4mpostcss-safe-parser←[24m\lib\safe-parse.js:1:17)
←[90m    at Module._compile (internal/modules/cjs/loader.js:1144:30)←[39m {
  code: ←[32m'MODULE_NOT_FOUND'←[39m

我正在尝试通过 VS 代码运行 React 应用程序

Answer 1

请运行 npm i --save 如果它仍然无法正常工作，请将您的 package.json 文件添加到您的问题中。

How do I fix the error "Error: no valid exports main found" on windows 7

How do I fix the error "Error: no valid exports main found" on windows 7

javascript

npm

reactjs

package.json

visual-studio-code