deprecated control (External)

This project uses a

. This project uses a deprecated control (External). Please replace it in the previous version of AppStudio, then try again

How to solve this problem??

What version of AppStudio are you using? What version was the project originally built with?


‏‫من الـ iPhone الخاص بي‬

I think you only answered one of the questions - I don’t know which one, though.