LogBox Error at the beginning of the application about upgrade-support HOT 6 OPEN

That didn't work for me.

What worked for me was creating a before.js file only containing the require('react-native').unstable_enableLogBox(); line.
And then import './before'; at the very top of index.js

And I didn't change the App import into a require.

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I'm having the same issue when upgrading from react-native 0.61.4 to 0.63.4.
I'm using xCode 12.2.

I tried the solution proposed by @Tejpbit but no success unfortunately.

Is there something else I can try?

Thanks

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Same problem here, the logs are saying that require('react-native').unstable_enableLogBox() is now deprecated once it is included by default. Is there something else that worked for you guys?

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??

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Also having the deprecated note showing...any solution?

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I ran into this error on React Native. For me, the issue was due to my code throwing an error before LogBox had a chance to start.
Check your React Native debugger and see if there are any errors thrown before the error you're seeing in XCode.

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