Web frame is not recorded automatically which leads test to failure

It’s a FAQ. Let them read this doc:

All you need to know is:

  1. You should read the HTML source code of your target web page to find if it uses <iframe> or not.
  2. To read the HTML source, you need to be familiar with browser’s DevTools
  3. If the HTML employs any <iframe> elements inside which you want to select HTML elements, you need to use [WebUI] Switch To Frame | Katalon Docs keyword.