Run time exception error

[soyla_school]

Clicking on a new screen after moving from one screen to another opens the previous screen again and a runtime exception error occurs.

[dora_paz (Dora)]

Are you switcing screens correctly ? What is the error ? Post a screenshot

[soyla_school]

ERROR SCREENSORT

FIRST SCREEN

When I click on the play quiz button, the screen of another quiz opens.

second “Quiz” Screen

When I click on the quiz button, then the first screen opens.

block screen sort

[dora_paz (Dora)]

Can tell what causing the problem, use logcat to identify what causing the crash

Capturing Device Logs using adb logcat

[Taifun]

Switch screens correctly!
See also tip 1 and 2 here

General Tips and Tricks for App Inventor/Kodular

Use different screens wisely Before starting to create another screen, first you should think about is it really necessary? See also Building apps with many screens and SteveJG’s post about advantages/disadvantages, because in only one screen you also can use vertical arrangements to simulate different screens, just set the arrangements to visible = true/false as needed… If you decided to use different screens, then you should switch them correctly, else you will run out of memory after a wh…

Taifun