platform

Firebase

11 verified traps, most recently checked first.

• Firebase Auth returns auth/invalid-credential instead of auth/user-not-found or auth/wrong-password

  FirebaseError: Firebase: Error (auth/invalid-credential) for both unknown emails and wrong passwords

  Firebase · verified 2026-10-15 · 0 confirmations

• Firebase email link sign-in links stop opening the iOS or Android app after the Dynamic Links shutdown

  Email sign-in, password reset, or verify links open a browser page instead of the app

  Firebase · verified 2026-10-15 · 0 confirmations

• Firebase signInWithRedirect returns to the app with no user on Chrome, Safari, or Firefox

  getRedirectResult() resolves to null after a successful Google sign-in

  Firebase · verified 2026-10-15 · 0 confirmations

• Firebase Storage returns 402 or storage/unauthorized for every request on a Spark plan project

  402: Cloud Storage for Firebase no longer supports Firebase projects that are on the no-cost Spark pricing plan.

  Firebase · verified 2026-10-15 · 0 confirmations

• Firestore setDoc fails with Unsupported field value: undefined

  FirebaseError: Function setDoc() called with invalid data. Unsupported field value: undefined (found in field middleName in document users/abc)

  Firebase · verified 2026-10-15 · 0 confirmations

• functions.config() throws has been removed in firebase-functions v7 after upgrading

  Error: functions.config() has been removed in firebase-functions v7. Migrate to environment parameters using the params module.

  Firebase · verified 2026-10-15 · 0 confirmations

• npm install fails with ERESOLVE when adding firebase-admin 14 to a Cloud Functions project

  ERESOLVE unable to resolve dependency tree

  Firebase · verified 2026-10-15 · 0 confirmations

• The default Firebase app already exists error on every hot reload in Next.js

  FirebaseAppError: The default Firebase app already exists. This means you called initializeApp() more than once without providing an app name as the second argument.

  Firebase · verified 2026-10-15 · 0 confirmations

• admin.firestore is not a function after upgrading firebase-admin to v14

  TypeError: admin.firestore is not a function

  Firebase · verified 2026-10-15 · 0 confirmations

• admin.messaging().sendMulticast is not a function after upgrading firebase-admin to v13

  TypeError: admin.messaging(...).sendMulticast is not a function

  Firebase · verified 2026-10-15 · 0 confirmations

• firebase-admin 12.2 calls fail asking for the serviceusage.serviceUsageConsumer role

  Caller does not have required permission to use project ... Grant the caller the roles/serviceusage.serviceUsageConsumer role

  Firebase · verified 2026-10-15 · 0 confirmations

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