codepiece.rb

  subscrpt.current_delivery_address = curraddr
    subscrpt.subscrpt_type =  SubscrptType.find(:first, :conditions => {:id => i.subscrpt_type_id})
    subscrpt.subscrpt_terms =  SubscrptTerms.find(:first, :conditions => {:id => i.subscrpt_terms_id})
    subscrpt.save
    @user.subscrpts<<subscrpt
  

error

Mysql::Error: Column 'current_delivery_address_id' cannot be null: INSERT INTO `subscrpt` (`current_delivery_address_id`, `processed`, `processed_by_provider`, `provider_id`, `subscrpt_status`, `subscrpt_terms_id`, `subscrpt_type_id`, `user_id`) VALUES (NULL, 0, 0, NULL, NULL, NULL, NULL, NULL)

subscrpt.rb

class Subscrpt < ActiveRecord::Base
  set_table_name "subscrpt"
  set_primary_key "id"
  
  has_one :current_delivery_address, :class_name => 'Address', :primary_key => :current_delivery_address_id
  has_one :subscrpt_type
  has_one :subscrpt_terms 
  has_one :provider
  has_one :user
  
  
  
end