[Solved] FirebaseError: Lacking or inadequate permissions

Utilizing Firebase and get the next error within the console?

Uncaught Error in onSnapshot: FirebaseError: Lacking or inadequate permissions.<br>at new FirestoreError (index.cjs.js:x)

How you can repair the Lacking or Inadequate Permissions Error

Choice 1: Change guidelines (Really useful)

1. Login to Firebase
2. Go to Database -> Guidelines

Change:

service cloud.firestore {
  match /databases/{database}/paperwork {
    match /{doc=**} {
      enable learn, write: if false;
    }
  }
}

to:

service cloud.firestore {
  match /databases/{database}/paperwork {
    match /{doc=**} {
      enable learn, write: if request.auth != null;
    }
  }
}

Choice 2: Override Authorization / Disable Safety

1. Login to Firebase
2. Go to Database -> Guidelines
3. Change enable learn, write from false to true [for dev]
4. Change enable learn, write from false to request.auth != null [for prod]