Accessing spreadsheet in Google Script

Question

I am writing a google script on top of a spreadsheet. I want to deploy it as a web app. It shows some values. Unfortunately, with my current code, google reminds me:

Answer 1

Not need to use ID , just try this code ( change mygooglelocation with your Spreadsheet name and range of cells. Working very well for me with google maps...

  var sheet = SpreadsheetApp.getActiveSpreadsheet().getSheetByName('mygooglelocation');
  var ss = SpreadsheetApp.getActive();
  var mylocationInfo   = ss.getRange("A2:B4").getValues();