Google Apps Script - Gmail count emails by sender

Code.gs

// Execute the "run" function below after setting up the appropriate APIs
// Original credit: https://stackoverflow.com/a/59222719/501042
function sender_list_paged(token) {
  var dt = new Date().getTime();
  var ss = SpreadsheetApp.create('Gmail count emails by sender ' + dt);
  var sh = ss.getActiveSheet()
  sh.clear();
  sh.appendRow(['Email Address', 'Count']);
  var token = token || null;
  var query = "in:inbox is:unread";
  var sender_array = [];
  var uA = []
  var cObj = {};
  do {
    var result = Gmail.Users.Messages.list("<EMAIL>", { maxResults: 100, pageToken: token, q: query });
    var list = result;
    Logger.log(list);
    for (var i = 0; i < list.messages.length; i++) {
      var sender = GmailApp.getMessageById(list.messages[i].id).getFrom();
      if (uA.indexOf(sender) == -1) {
        uA.push(sender);
        sender_array.push([sender]);
        cObj[sender] = 1;
      } else {
        cObj[sender] += 1;
      }
    }
    token = list.nextPageToken
    if (token) {
      PropertiesService.getUserProperties().setProperty("lastpagetoken", token);
    }

  } while (token);
  sender_array.forEach(function (r) {
    r.splice(1, 0, cObj[r[0]]);
  });

  sh.getRange(2, 1, sender_array.length, 2).setValues(sender_array).sort({ column: 2, ascending: false });
}

function getLastPageToken() {
  return PropertiesService.getUserProperties().getProperty("lastpagetoken")
}

function run() {
  PropertiesService.getUserProperties().setProperty("lastpagetoken", '');
  sender_list_paged(getLastPageToken());
}

Wonderful script! Thanks @d-neri

I seem unable to approve permissions, it lets me click on my gmail account after clikcing 'Review Permissions' but then comes back with "This App is Blocked as it tried to access sensitive information in your Gmail account"
Is there something else I need to complete

i received this error: "Exception: Too many simultaneous invocations". Would be grateful for any advice to solve this. thanks