That project is working well seperately but when merging it into my project am getting that error

@Still_Learning
lets check the aia file please
Sampleproject2.aia (5.2 MB)
the aia project, screen1 for the location is working well when it is being screen1 but i don't wanna make it the main screen so when i changed it to another screen than screen1, it doesn't work, don't know the reason, lets check it in the aia file please