Katalon (and, indeed, most UI testing software) use locators (CSS, XPath) to find the elements under test. The Record Web feature should be viewed as a “get me started” tool - it’s certainly not infallible.
Check your locators/selectors. Make sure they differ in accordance with the live elements on the screen.
To advise any further, I’ll need to see your locators and the HTML that generates the tabs.
Read this - there’s some good advice about the kind of thing we expect to see: