Error for switching two screens

[vknow360]

@TIMAI2

The recommended method of switching screens in App Inventor

(Thanks Taifun)

A good alternative:

How can I make a refresh button?

Sure. You can use this to open any screen: [image] In above example it will close the current screen and open Screen1. In fact this method is used to correctly switch screens to avoid OOM or Invalid Window Token error.