From: Brian Candler <b.candler@...>
Date: 2010-08-04T17:06:55+09:00
Subject: Re: undefined method `debug' for nil:NilClass(NoMethodError

Esen Sagynov wrote:
> I created very simple AR code to add new record to MySQL table. But I
> get " undefined method `debug' for nil:NilClass(NoMethodError)".

I think you need to show the full backtrace. This will show not only 
which line in your sample program triggered the error, but also in which 
library it occurred.

Also describe your platform: which operating system and version? Which 
version of ruby, and where did you install it from? Which version of 
active_record? Which version of mysql client library?
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