TypeError: Cannot destructure property 'product' of 'productDetails' as it is undefined

[sylvielmna]

You are following this tutorial too, hey?

React & Node Tutorial For Absolute Beginners - Build & Deploy ECommerce Website in 5 Hours

I got this error near 2:18:00.

If you check ‘productDetails’ it is truly undefined. It has to do with the missing reducers. Keep watching the video - he will explain it.