Esen Sagynov wrote in post #930294:
> I created very simple AR code to add new record to MySQL table. But I
> get " undefined method `debug' for nil:NilClass(NoMethodError)".
>
> Here is the code:
> ======================================
> require 'rubygems'
> require 'active_record'
>
> ActiveRecord::Base.establish_connection(
> :adapter => "mysql",
> :host => "localhost",
> :user => "root",
> :password => "samplepass",
> :database => "db_demo"
> )
>
> class City < ActiveRecord::Base
> end
>
> City.create(:id => 4, :name => 'Washington')


Hi,
  Have you solved this problem. Me also having same error.
I don't get any error unless I manually input primary id

Working code
City.create(:name => 'Washington')

Error code
City.create(id=> 1 ,:name => 'Washington')

RubyVersion: 1.8.1
Rails Version: 2.2.2
Gem Version: 1.3.2

Thanks in Advance

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