Sometimes when you're building an app, things don't go as planned and an error occurs!
When in doubt, check the error handler (or catch() function for Promises),
and see what the error message has to say.
If you've checked the error message and have Storage Security Rules that allow your action, but are still struggling to solve the error, visit our Support page and let us know how we can help.
Handle Error Messages
There are a number of reasons why errors may occur, including the file not existing, the user not having permission to access the desired file, or the user cancelling the file upload.
To properly diagnose the issue and handle the error, here is a full list of all the errors our client will raise, and how they occurred.
| Code | Reason |
|---|---|
storage/unknown |
An unknown error occurred. |
storage/object_not_found |
No object exists at the desired reference. |
storage/bucket_not_found |
No bucket is configured for Cloud Storage |
storage/project_not_found |
No project is configured for Cloud Storage |
storage/quota_exceeded |
Quota on your Cloud Storage bucket has been exceeded. If you're on the free tier, upgrade to a paid plan. If you're on a paid plan, reach out to Firebase support. |
storage/unauthenticated |
User is unauthenticated, please authenticate and try again. |
storage/unauthorized |
User is not authorized to perform the desired action, check your security rules to ensure they are correct. |
storage/retry_limit_exceeded |
The maximum time limit on an operation (upload, download, delete, etc.) has been excceded. Try uploading again. |
storage/invalid_checksum |
File on the client does not match the checksum of the file received by the server. Try uploading again. |
storage/canceled |
User canceled the operation. |
storage/invalid_event_name |
Invalid event name provided. Must be one of
[`running`, `progress`, `pause`] |
storage/invalid_url |
Invalid URL provided to refFromURL(). Must be of the form:
gs://bucket/object or https://firebasestorage.googleapis.com/v0/b/bucket/o/object?token=<TOKEN> |
storage/invalid-argument |
The argument passed to put() must be `File`, `Blob`, or
`UInt8` Array. The argument passed to putString() must be
a raw, `Base64`, or `Base64URL` string. |
storage/no_default_bucket |
No bucket has been set in your config's
storageBucket property. |
storage/cannot_slice_blob |
Commonly occurs when the local file has changed (deleted, saved again, etc.). Try uploading again after verifying that the file hasn't changed. |
storage/server_wrong_file_size |
File on the client does not match the size of the file recieved by the server. Try uploading again. |
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