Unknown error

Question

Someone can explain to me what is the error in this code
https://code.sololearn.com/cjUEhDkfPY9k/?ref=app

Answer 1

thrn go to google and search on how to debug in you environment, whenever you are using Codeblockd or VS. debugging should be learned together with "hello world"

Answer 2

Compiler error? Runtime error? You need to learn how to debug like the other person said.

Answer 3

have you tried debugging this app? where the whole thing breaks?

Answer 4

I don't know how do it. Just appear that have a problem.