Firebase Storage errorFirebase Storage: storage/no-default-bucket

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Why there is no bucket, and the fix

1. 01

   storageBucket is missing from the config

   “You must specify your Cloud Storage bucket name when initializing the JavaScript SDK.” Firebase, Get started with Cloud Storage on Web

   A config copied before Storage was set up, or trimmed by hand, has no bucket. Add the exact name shown in the console.

   const app = initializeApp({
     apiKey: 'your-api-key',
     projectId: 'your-project',
     storageBucket: 'your-project.firebasestorage.app',
   });
   const storage = getStorage(app);

2. 02

   The production build lacks the env variable

   Works locally, fails live: the hosting provider has no VITE_ or NEXT_PUBLIC_ variable for the bucket, so the value is undefined. Add it there and redeploy.

3. 03

   The bucket name format is wrong

   “Depending on when you created your default bucket, the bucket name will be in one of the following formats:” Firebase, Get started with Cloud Storage on Web

   Default buckets created since September 2024 use the firebasestorage.app format; older ones use appspot.com. Copy the name from the console instead of guessing.

4. 04

   Storage was never set up

   “To provision a new Cloud Storage for Firebase default bucket, your Firebase project must be on the pay-as-you-go Blaze pricing plan.” Firebase, Cloud Storage for Firebase FAQ (September 2024 changes)

   Also check: if the console shows no bucket, create it under Storage. A new default bucket needs the Blaze plan.

Checked against the vendor’s docs on November 9, 2026: Firebase docs: Handle errors for Cloud Storage on Web; Firebase docs: Get started with Cloud Storage on Web; Firebase docs: Storage changes FAQ.

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Related: Firebase Storage requires the Blaze plan · Firebase storage/unauthorized · Firebase storage/object-not-found · Firebase No Firebase App [DEFAULT]