Couldn't find Login with ID

Hi,
I am a lerarner and i Am getting this problem when I try to delete.
I am not able to understand what is this ID and why its like this.
Any one explain me what does it mean and how to solve this . This is as
also
with show/edit.
Thanks in advance

Couldn’t find Login with ID=30640940

RAILS_ROOT: ./script/…/config/…
[email protected]Application
Tracehttp://localhost:3000/logins/destroy/30640940#|
[email protected]Framework
Tracehttp://localhost:3000/logins/destroy/30640940#|
[email protected]Full
Tracehttp://localhost:3000/logins/destroy/30640940#

c:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.13.2/lib/active_record/base.rb:412:in
find' #{RAILS_ROOT}/app/controllers/logins_controller.rb:45:in destroy’

c:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.13.2/lib/active_record/base.rb:412:in
find' c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.11.2/lib/action_controller/base.rb:853:in send’
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.11.2/lib/action_controller/base.rb:853:in
perform_action_without_filters' c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.11.2/lib/action_controller/filters.rb:332:in perform_action_without_benchmark’
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.11.2/lib/action_controller/benchmarking.rb:69:in
perform_action_without_rescue' c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.11.2/lib/action_controller/benchmarking.rb:69:in measure’
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.11.2/lib/action_controller/benchmarking.rb:69:in
perform_action_without_rescue' c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.11.2/lib/action_controller/rescue.rb:82:in perform_action’
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.11.2/lib/action_controller/base.rb:369:in
send' c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.11.2/lib/action_controller/base.rb:369:in process_without_session_management_support’
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.11.2/lib/action_controller/session_management.rb:116:in
process' c:/ruby/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/dispatcher.rb:38:in dispatch’
c:/ruby/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/webrick_server.rb:117:in
handle_dispatch' c:/ruby/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/webrick_server.rb:83:in service’
c:/ruby/lib/ruby/1.8/webrick/httpserver.rb:104:in service' c:/ruby/lib/ruby/1.8/webrick/httpserver.rb:65:in run’
c:/ruby/lib/ruby/1.8/webrick/server.rb:155:in start_thread' c:/ruby/lib/ruby/1.8/webrick/server.rb:144:in start’
c:/ruby/lib/ruby/1.8/webrick/server.rb:144:in start_thread' c:/ruby/lib/ruby/1.8/webrick/server.rb:94:in start’
c:/ruby/lib/ruby/1.8/webrick/server.rb:89:in each' c:/ruby/lib/ruby/1.8/webrick/server.rb:89:in start’
c:/ruby/lib/ruby/1.8/webrick/server.rb:79:in start' c:/ruby/lib/ruby/1.8/webrick/server.rb:79:in start’
c:/ruby/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/webrick_server.rb:69:in
dispatch' c:/ruby/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/commands/servers/webrick.rb:59 c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:18:in require__’
c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:18:in
require' c:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.2.5/lib/active_support/dependencies.rb:214:in require’
c:/ruby/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/commands/server.rb:28
c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:18:in
require__' c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:18:in require’
c:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.2.5/lib/active_support/dependencies.rb:214:in
`require’
script/server:3

c:/ruby/lib/ruby/gems/1.8/gems/activerecord-1.13.2/lib/active_record/base.rb:412:in
find' #{RAILS_ROOT}/app/controllers/logins_controller.rb:45:in destroy’
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.11.2/lib/action_controller/base.rb:853:in
send' c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.11.2/lib/action_controller/base.rb:853:in perform_action_without_filters’
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.11.2/lib/action_controller/filters.rb:332:in
perform_action_without_benchmark' c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.11.2/lib/action_controller/benchmarking.rb:69:in perform_action_without_rescue’
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.11.2/lib/action_controller/benchmarking.rb:69:in
measure' c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.11.2/lib/action_controller/benchmarking.rb:69:in perform_action_without_rescue’
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.11.2/lib/action_controller/rescue.rb:82:in
perform_action' c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.11.2/lib/action_controller/base.rb:369:in send’
c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.11.2/lib/action_controller/base.rb:369:in
process_without_session_management_support' c:/ruby/lib/ruby/gems/1.8/gems/actionpack-1.11.2/lib/action_controller/session_management.rb:116:in process’
c:/ruby/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/dispatcher.rb:38:in
dispatch' c:/ruby/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/webrick_server.rb:117:in handle_dispatch’
c:/ruby/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/webrick_server.rb:83:in
service' c:/ruby/lib/ruby/1.8/webrick/httpserver.rb:104:in service’
c:/ruby/lib/ruby/1.8/webrick/httpserver.rb:65:in run' c:/ruby/lib/ruby/1.8/webrick/server.rb:155:in start_thread’
c:/ruby/lib/ruby/1.8/webrick/server.rb:144:in start' c:/ruby/lib/ruby/1.8/webrick/server.rb:144:in start_thread’
c:/ruby/lib/ruby/1.8/webrick/server.rb:94:in start' c:/ruby/lib/ruby/1.8/webrick/server.rb:89:in each’
c:/ruby/lib/ruby/1.8/webrick/server.rb:89:in start' c:/ruby/lib/ruby/1.8/webrick/server.rb:79:in start’
c:/ruby/lib/ruby/1.8/webrick/server.rb:79:in start' c:/ruby/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/webrick_server.rb:69:in dispatch’
c:/ruby/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/commands/servers/webrick.rb:59
c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:18:in
require__' c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:18:in require’
c:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.2.5/lib/active_support/dependencies.rb:214:in
require' c:/ruby/lib/ruby/gems/1.8/gems/rails-1.0.0/lib/commands/server.rb:28 c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:18:in require__’
c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:18:in
require' c:/ruby/lib/ruby/gems/1.8/gems/activesupport-1.2.5/lib/active_support/dependencies.rb:214:in require’
script/server:3

Request

Parameters: {“id”=>“30640940”}

[email protected]Show session
dumphttp://localhost:3000/logins/destroy/30640940#


flash: !ruby/hash:ActionController::Flash::FlashHash {}

ResponseHeaders: {“cookie”=>[],
“Cache-Control”=>“no-cache”}[email protected]