❌Error❌ / 👾 Debugging👾

1.[에러 메시지] Warning: React version not specified in eslint-plugin-react settings.

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2.[에러 메시지] Access to fetch at 'http://localhost:3000/products' from origin 'http://localhost:8080' has been blocked by CORS policy

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3.[에러 메시지] Your cache folder contains root-owned files, due to a bug in

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4.[에러 메시지] Error: Text content does not match server-rendered HTML.

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5.[에러 메시지] Error: Invalid src prop on `next/image`, hostname is not configured under images in your `next.config.js`

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6.[에러 메시지] Error: Hydration failed because the initial UI does not match what was rendered on the server.

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