firebase

Firestore Document Already Exists

ALREADY_EXISTS.*Document already exists

Fixes

1.Use set() with merge option instead of create()
2.Check for existing document before creating
3.Use transactions for atomic create-if-not-exists

firebasefirestoreduplicate

Related Errors

firebase3 fixes

Firestore Permission Denied

PERMISSION_DENIED.*Missing or insufficient permissions

•Update Firestore security rules to allow the operation
•Check auth state - user may not be authenticated

firebase3 fixes

Firebase Quota Exceeded

Quota exceeded.*RESOURCE_EXHAUSTED

•Upgrade to Blaze plan for higher limits
•Optimize reads/writes to reduce usage

firebase3 fixes

Firestore Index Not Defined

The query requires an index.*create it here

•Click the link in the error to auto-create index
•Add composite index in firestore.indexes.json