SystemStackError: stack level too deep

[mahinder]

I am Using MonogoID , in rails console workflow working fine, but when I making api all to my controller action its giving below given error.
but if comment out workflow code from model then it will work file ,
Please help me.

<SystemStackError: stack level too deep>

(rdb:56) c
Completed 500 Internal Server Error in 118171ms

SystemStackError (stack level too deep):
actionpack (4.2.3) lib/action_dispatch/middleware/reloader.rb:79

Rendered C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/actionpack-4.2.3/lib/action_dispatch/middleware/templates/rescues/_source.erb (3.0ms)
Rendered C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/actionpack-4.2.3/lib/action_dispatch/middleware/templates/rescues/_trace.text.erb (2.0ms)
Rendered C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/actionpack-4.2.3/lib/action_dispatch/middleware/templates/rescues/_request_and_response.text.erb (4.0ms)
Rendered C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/actionpack-4.2.3/lib/action_dispatch/middleware/templates/rescues/diagnostics.text.erb (115.1ms)
Rendered C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/web-console-2.2.1/lib/web_console/templates/_markup.html.erb (2.0ms)
Rendered C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/web-console-2.2.1/lib/web_console/templates/_inner_console_markup.html.erb within layouts/inlined_string (1.0ms)
Rendered C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/web-console-2.2.1/lib/web_console/templates/_prompt_box_markup.html.erb within layouts/inlined_string (1.0ms)
Rendered C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/web-console-2.2.1/lib/web_console/templates/style.css.erb within layouts/inlined_string (1.0ms)
Rendered C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/web-console-2.2.1/lib/web_console/templates/console.js.erb within layouts/javascript (135.1ms)
Rendered C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/web-console-2.2.1/lib/web_console/templates/main.js.erb within layouts/javascript (1.0ms)
Rendered C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/web-console-2.2.1/lib/web_console/templates/error_page.js.erb within layouts/javascript (1.0ms)
Rendered C:/RailsInstaller/Ruby1.9.3/lib/ruby/gems/1.9.1/gems/web-console-2.2.1/lib/web_console/templates/index.html.erb (268.2ms)
Incoming Headers:
Origin: http://localhost:1841
Access-Control-Request-Method: POST
Access-Control-Request-Headers: content-type, x-requested-with, x-user-email, x-user-id, x-user-token
Preflight Headers:
Content-Type: text/plain
Access-Control-Allow-Origin: http://localhost:1841
Access-Control-Allow-Methods: GET, POST, DELETE, PUT, OPTIONS, HEAD
Access-Control-Expose-Headers:
Access-Control-Max-Age: 0
Access-Control-Allow-Credentials: true
Access-Control-Allow-Headers: content-type, x-requested-with, x-user-email, x-user-id, x-user-token