On Sep 15, 2014, at 2:52 PM, Keary Suska <cocoa-...@esoteritech.com> wrote:

> Yes, The exception will leave your app in an invalid state.

Thank you, I was not aware of that.

> The breakpoint catches before the exception would be logged to console. 
> Simply keep clicking the "continue" button in the debugger until it outputs 
> the exception. Then read the Key-Value Coding guide on when 
> setNilValueForKey: is called and how you can handle it.

Clicking "continue" eventually causes the application to run freely but the 
debugger never produces any output. Weird. Implementing setNilValueForKey: 
fixed the issue.

On Sep 15, 2014, at 2:52 PM, Mike Abdullah <mabdul...@karelia.com> wrote:

> Read the docs for -setNilValueForKey:


I reviewed the documentation and yes implementing setNilValueForKey: fixed the 
issue.

Thanks for the help.
Richard Charles


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