无法弄清楚使用Xcode调试器在源代码中抛出异常的位置

I get the message, 'Thread 1: breakpoint 1.1' after I run my code in xcode, which I believe is referring to the exception breakpoint, 'All Exceptions' I've added. The 'Thread 1: breakpoint 1.1' shows up highlighting in green the thread in my main file I get the message, 'Thread 1: breakpoint 1.1' a