Starting to learn React, at first it got executed but now its not, and giving such errors

[plugin:vite:import-analysis] Failed to resolve import "./src/assets/Header.jsx" from "src/App.jsx". Does the file exist?

C:/Users/MCLAREN/Desktop/Website react/my-react-app/src/App.jsx:1:19 1 | import Header from "./src/assets/Header.jsx"; | ^ 2 | import Footer from "./src/assets/Footer.jsx"; 3 | var _jsxFileName = "C:/Users/MCLAREN/Desktop/Website react/my-react-app/src/App.jsx"; at TransformPluginContext._formatLog (file:///C:/Users/MCLAREN/Desktop/Website%20react/my-react-app/node_modules/vite/dist/node/chunks/node.js:30352:39) at TransformPluginContext.error (file:///C:/Users/MCLAREN/Desktop/Website%20react/my-react-app/node_modules/vite/dist/node/chunks/node.js:30349:14) at normalizeUrl (file:///C:/Users/MCLAREN/Desktop/Website%20react/my-react-app/node_modules/vite/dist/node/chunks/node.js:27631:18) at async file:///C:/Users/MCLAREN/Desktop/Website%20react/my-react-app/node_modules/vite/dist/node/chunks/node.js:27694:30 at async Promise.all (index 0) at async TransformPluginContext.transform (file:///C:/Users/MCLAREN/Desktop/Website%20react/my-react-app/node_modules/vite/dist/node/chunks/node.js:27662:4) at async EnvironmentPluginContainer.transform (file:///C:/Users/MCLAREN/Desktop/Website%20react/my-react-app/node_modules/vite/dist/node/chunks/node.js:30141:14) at async loadAndTransform (file:///C:/Users/MCLAREN/Desktop/Website%20react/my-react-app/node_modules/vite/dist/node/chunks/node.js:24489:26)

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