Button ( Shortcut to next page ) won't work

I have made a button to switch to the next page but when I test my apk file on my android  and I get an error 902: Screen not found. I don't know what I'm doing wrong.

I have put a picture to this discussion for you to see how it is in the program.

screen names are case sensitive. This will work, in case there is a screen with the name Telefoon

unfortunately from the screenshot we can't see the name of your other screen...

The Second screen is called telefoon so that's why i don't understand why it isn't working

He is a picture of my second screen

The screen is names Screen2... your TITLE is Telefoon

Put Screen2 there instead...