Since Katalon (and the underlying Selenium) simulate a physical click, it makes sense that you’re getting this error, as @Brian_Ducson has pointed out. There’s an element on top of your target element that would receive the click instead.
Another option is to use JavaScript to click the element. With this approach, you’re not simulating a physical click, and you can click on any element regardless of how the page is rendered. Give this a read: