It's creating users till number 999, getting error while creating user
1000.
Rake Task :
desc "Generate test users"
task :generate_test_users => :environment do
for i in (1..5000)
User.create(:username=>"user#{i}", :email=>"user#{i}@user.com",
:password=>"123456", :confirm_password=>"123456", :state=>"Active",
:first_name=>"user_first#{i}", :last_name=>"user_last#{i}",
:activation_state=>"Active", :is_admin=>false, :product_source=>"Both")
puts "user#{i}"
end