Create your own!
When Barbie runs her code, her program throws an exception. "Ha," looks like you're not the elite programmer today," jokes Skipper.
"Oh, doh," says Barbie, "I'm trying to index an array with a string. I need to cast that as an int." On only the second try, Barbie's program runs beautifully.
"I love it, Barbie. You're brilliant!" says Skipper.