✅SOLVED TypeError: Cannot read properties of undefined (reading 'map') | Reactjs Errors

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In this example, the ParentComponent passes undefined as the data prop to the ChildComponent, and within the ChildComponent, the map function is called on data, assuming it's an array. Since data is undefined, the error occurs.

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TypeError: Cannot read properties of undefined (reading 'map')
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Pls can you do a video on how to solve the issue of "cannot read properties of undefined (reading comments)"

Codewith_kachi