Duplication declaration error fix?

I've been trying to get my project on my phone but the duplication declaration error won't let me

Welcome to the community...
Just fix the red errors in Screen1. .
There can be for example only one Button1.Click event...

Taifun

You have multiple "Click" events of the same component in the same screen. Just combine the blocks in the two of them into one event and delete the other one(s).