A developer reported: "My console showed 'n8facebook3jsi7jserrore' after trying to share a link."
Ensure you are using verified stable versions of react-native-reanimated . The React Native development community has patched major infinite call-stack loops in versions 3.5.x and later . Run the following update command in your terminal:
: In many cases, the app is not actually crashing because of this error; rather, n8facebook3jsi7jserrore best
Many developers report this crash stems from animated styles, specifically within valueSetter.ts . The error often occurs because of unexpected null values in derived animations. 3. Best Solutions to Fix N8facebook3jsi7JSErrorE
C++ Exception: N8facebook3jsi7JSErrorE (in production) #5672 The error often occurs because of unexpected null
By following these tips and best practices, you should be able to resolve common errors and get the most out of Facebook's JavaScript SDK.
// Add this check in your animation logic if (animation && typeof animation.onStart === 'function') animation.onStart(...); Use code with caution. 3. Upgrade Reanimated and Gesture Handler // Add this check in your animation logic
It’s a "catch-all" error that hides the actual JavaScript stack trace. Next Steps:
When tracking this error in crash reporting tools like Sentry or Bugsnag, it often appears without a clean JavaScript stack trace, making it exceptionally frustrating to debug.
Sometimes the error is simply a generic JS error (like Cannot read property 'undefined' ), but because production builds optimize and strip symbolication files, it defaults to displaying the C++ compiler signature ( N8facebook3jsi7JSErrorE ).
Many open GitHub issues link this crash to interactions with the react-navigation drawer when running in mode. If you notice the crash occurring when users swipe or toggle a sidebar menu: