Welcome to community. Next time please use search Avoid Crashes of the Application for some of the components
Unbound location null on Screen2 was reported by logcat caused by AdMob Banner
AndroidRuntime: java.lang.RuntimeException: Unable to start activity ComponentInfo{com.riyan.quiz/io.kodular.riadaska.QuizApp2019.Screen2}: /tmp/1643897896027_0.8003108919516959-0/youngandroidproject/../src/io/kodular/riadaska/QuizApp2019/Screen2.yail:436:52: unbound location null
Try this
QuizApp2019.aia (175.6 KB)
Compiles and run with no issues