issue in group query setup-rules in firestore error code permission denied

[SureshKumar311]

i am trying to setup firestore Rules on by google console

i am using group query in flutter but i getting same error

my db :
i have Notes(collection)-> CSC(DOC) ->sem1(collection) ->(doc)->subject1="value of subject (field)
ECE(DOC) - >sem1(collection) ->(doc)->subjectece="the value of subject ece of subject" (field)

my error :

W/Firestore(16933): (22.1.2) [Firestore]: Listen for Query(target=Query( collectionGroup=Notes order by __name__);limitType=LIMIT_TO_FIRST) failed: Status{code=PERMISSION_DENIED, description=Missing or insufficient permissions., cause=null}

E/flutter (16933): [ERROR:flutter/lib/ui/ui_dart_state.cc(186)] Unhandled Exception: [cloud_firestore/permission-denied] The caller does not have permission to execute the specified operation.
E/flutter (16933):

i had try to make changes to firestore rules as more than 20 times but same error :

service cloud.firestore {
  match /databases/{database}/documents {
   match /calculatorApp/{userId} {
      allow read :if request.auth != null&& request.auth.uid == userId;
      allow create: if request.auth != null;
      allow delete: if request.auth != null && request.auth.uid == userId;
        allow write:if request.auth != null && request.auth.uid == userId;
      allow  update:if request.auth != null &&request.auth.uid == userId;
    }

   match /{path=**}/Admin/{documents}{
      allow read, write: if false;

    } 
   match /{path=**}/subsettings/{subsettingsId}{
       allow read, write: if false;
    }
 match /{path=**}/notes/{notesId} {
      allow read, write: if false;

    } 
   match /{path=**}/sem1/{sem1Id} {
       allow read, write: if false;
    }
    

  }
} 

my flutter code :

import 'package:flutter/material.dart';

class Testdb extends StatefulWidget {
  @override
  _TestdbState createState() => _TestdbState();
}

class _TestdbState extends State<Testdb> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Center(
          child: IconButton(
              icon: Icon(Icons.ac_unit),
              onPressed: () async {
                FirebaseFirestore.instance
                    .collectionGroup("Notes")
                    .snapshots()
                    .listen((value) => value.docs.forEach((element) {
                          print(" ELEMENT  ${element.id}");
                          print(" ELEMENT  ${element.data()}");
                   ;
                        }));
              })),
    );
  }
}

Guys plz help i am beginer student and new to firestore too i had issue within set rules in firestore