Studio X Community (Tutorial: Filling Out PDF Forms in Acrobat Reader with Data from Excel)

This tutorial is getting from UiPath website. I download the example folder and follow exactly the same steps but it still failed. It showed this, I dk what is the problem.

Anyone did this tutorial before ? Can I know what is the problem ? And how can I solve it ?

@chang_ling you have to click start when you see this pop-up