Prev/Next buttons not working

Hi guys,

Using Cyclone Slider 2 for various slideshows around the a website. However, it occurred to me that the next and previous buttons for the slideshow does not work out as intended at this page:

https://tian-long.com.sg/stage/know-us/the-company/

Does anyone know what’s going on? Thanks!

https://www.ads-software.com/plugins/cyclone-slider-2/