Question 34983 in React native Question posted in
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React native app crashes in iOS release mode only

I am getting the following error when the app run on release mode.
This crash happens when the time of app launching in simulator

Terminating app due to uncaught exception ‘RCTFatalException:
Unhandled JS Exception: TypeError: undefined is not an object
(evaluating ‘t.insertRule=function(t,n){return
t<=this.length&&(this.rules.splice(t,0,n),this.length++,!0)}’)’,
reason: ‘Unhandled JS Exception: TypeError: undefined is not an object
(evaluating ‘t.insertRule=function(t,n){return
t<=this.length&&(this.rules.splice(t,0,n),this.length++,!0)}’), stack:

At the same time this app working fine on debug mode.

Can you help me how to solve the issue appeared in release mode?

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2

Answers


  1. Chosen as BEST ANSWER
    0

    We have analyzed each and every library in the app and it is using 'ThemeProvider' package.

    It should be imported like the following into the mobile base app.

    import { ThemeProvider } from "styled-components/native";

  2. 0

    You have an uncaught exception in your js bundle code. You have to fix it also for debug mode. But in release mode, uncaught exception triggers a crash.

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