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Nkwenui Nadine
Nkwenui Nadine

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The most frustrating bug I hit this week (React Native + Expo)

I’m currently stuck on a React Native issue that’s honestly driving me a bit crazy.

The situation:

My app won’t render at all on my phone. Just a blank screen + multiple errors.

The main error:

“Incompatible React versions”

react: 19.2.5
react-native-renderer: 19.1.0

What I’m seeing:

  • Invalid hook call
  • “Cannot read property of undefined.”
  • Components failing before rendering

What’s frustrating is that it looks like a small version mismatch… but it completely breaks everything.

I’m still digging into it, but if anyone has run into this in an Expo + monorepo setup, I’d really appreciate any pointers.

Will update once I figure it out 🙌

reactnative #expo #debugging #buildinpublic

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