Firebaseでデータを登録しようとするとThe caller does not have permission to execute the specified operation.と出る時

[cloud_firestore/permission-denied] The caller does not have permission to execute the specified operation.

rules_version = '2';
service cloud.firestore {
  match /databases/{database}/documents {
    match /{document=**} {
      allow read, write: if request.auth != false;
    }
  }
}