Facebooker2: Facebook invalid session issue

gistfile1.txt

ActionView::TemplateError (Error validating access token: The session is invalid because the user logged out.) on line #89 of app/views/userhome/main_panel/_updates.rhtml:
86:       </div>
87:       <div class="cat-list" id="todos-cat-list" style='border-bottom:none;'> 
88:         <b style='font-weight:bold;'>Grow your Yoopedia Network</b>        
89:         <div class="cat-list" id="tips-cat-list" style='border-bottom:none;'>
90:           Do you have friends you would like to invite to Yoopedia?<br/>
91:           Please <%= link_to_remote("click here", {:url=>{:controller=>"account", :action=>"invite"}}, {:id=>"", :style=>"font-weight:bold"}) -%> to send them an invite.<br/>
92:           <div style='margin:5px 0px 5px 0px;'>

    mogli (0.0.28) lib/mogli/client.rb:69:in `raise_error_by_type_and_message'
    mogli (0.0.28) lib/mogli/client.rb:199:in `raise_error_if_necessary'
    mogli (0.0.28) lib/mogli/client.rb:132:in `map_data'
    mogli (0.0.28) lib/mogli/client.rb:123:in `get_and_map'
    mogli (0.0.28) lib/mogli/model.rb:121:in `friends'
    app/views/userhome/main_panel/_updates.rhtml:89:in `_run_rhtml_app47views47userhome47main_panel47_updates46rhtml_locals_object_updates'
    haml (3.0.18) [v] lib/haml/helpers/action_view_mods.rb:13:in `render'
    app/views/userhome/main_panel/_contents.rhtml:47:in `_run_rhtml_app47views47userhome47main_panel47_contents46rhtml_locals_contents_object'
    haml (3.0.18) [v] lib/haml/helpers/action_view_mods.rb:13:in `render'
    app/views/userhome/index.rhtml:6:in `_run_rhtml_app47views47userhome47index46rhtml'
    haml (3.0.18) [v] lib/haml/helpers/action_view_mods.rb:13:in `render'
    haml (3.0.18) [v] lib/haml/helpers/action_view_mods.rb:13:in `render'
    app/controllers/application_controller.rb:693:in `log_performance'
    compass (0.10.4) [v] lib/compass/app_integration/rails/actionpack2/action_controller.rb:7:in `process_without_browser_profiling'
    haml (3.0.18) [v] lib/sass/plugin/rack.rb:41:in `call'
    vendor/gems/hoptoad_notifier-2.3.2/lib/hoptoad_notifier/rack.rb:27:in `call'
    passenger (2.2.15) lib/phusion_passenger/rack/request_handler.rb:92:in `process_request'
    passenger (2.2.15) lib/phusion_passenger/abstract_request_handler.rb:207:in `main_loop'
    passenger (2.2.15) lib/phusion_passenger/railz/application_spawner.rb:441:in `start_request_handler'
    passenger (2.2.15) lib/phusion_passenger/railz/application_spawner.rb:381:in `handle_spawn_application'
    passenger (2.2.15) lib/phusion_passenger/utils.rb:252:in `safe_fork'
    passenger (2.2.15) lib/phusion_passenger/railz/application_spawner.rb:377:in `handle_spawn_application'
    passenger (2.2.15) lib/phusion_passenger/abstract_server.rb:352:in `__send__'
    passenger (2.2.15) lib/phusion_passenger/abstract_server.rb:352:in `main_loop'
    passenger (2.2.15) lib/phusion_passenger/abstract_server.rb:196:in `start_synchronously'
    passenger (2.2.15) lib/phusion_passenger/abstract_server.rb:163:in `start'
    passenger (2.2.15) lib/phusion_passenger/railz/application_spawner.rb:222:in `start'
    passenger (2.2.15) lib/phusion_passenger/spawn_manager.rb:253:in `spawn_rails_application'
    passenger (2.2.15) lib/phusion_passenger/abstract_server_collection.rb:126:in `lookup_or_add'
    passenger (2.2.15) lib/phusion_passenger/spawn_manager.rb:247:in `spawn_rails_application'
    passenger (2.2.15) lib/phusion_passenger/abstract_server_collection.rb:80:in `synchronize'
    passenger (2.2.15) lib/phusion_passenger/abstract_server_collection.rb:79:in `synchronize'
    passenger (2.2.15) lib/phusion_passenger/spawn_manager.rb:246:in `spawn_rails_application'
    passenger (2.2.15) lib/phusion_passenger/spawn_manager.rb:145:in `spawn_application'
    passenger (2.2.15) lib/phusion_passenger/spawn_manager.rb:278:in `handle_spawn_application'
    passenger (2.2.15) lib/phusion_passenger/abstract_server.rb:352:in `__send__'
    passenger (2.2.15) lib/phusion_passenger/abstract_server.rb:352:in `main_loop'
    passenger (2.2.15) lib/phusion_passenger/abstract_server.rb:196:in `start_synchronously'