This helped me to resolve the issue.

https://zaferayan.medium.com/expo-firebase-integration-95a745ae2dfe

Had to rebuild the app to ensure all was wired properly! and also try to check

if (crashlytics.isCrashlyticsCollectionEnabled) {
  console.log('Crashlytics is enabled')
} else {
  console.log('Crashlytics is disabled');
}

Hope it helps!