def build(self):
sm2 = ScreenManager()
box = BoxLayout(orientation='vertical', padding=(50))
label2 = ScrollableLabel(text=self.label_info)
box.add_widget(label2)
button = Button(text="Close",
size_hint_y=None,
height=200,
on_press=quit)
box.add_widget(button)
popup = Popup(title='Caught Exception - Error', content=box)
screen = Screen()
screen.name = "errorScreen"
screen.label = label2
screen.add_widget(popup)
sm2.screen_error = screen
sm2.add_widget(screen)
return sm2
