Problem in my student program

My Student is trying to develop a First Aid Reminder problem. Kindly help me and him by finding the fault..... Screen 3 when we click on the button, an error pops up. Again in another screen as well...
Mit_First_Aid_Reminder_App (2).aia (2.1 MB)

No need to create two topics, be patient and someone from the community will help you

I apologize. I could not see his post in the forum. Hence I posted..... Sorry about that...