Redmine

i have installed the redmine 1.4 stable and trying to install the rt import plugin, after installing that i am getting below error when clicking on administration link.

the same plugin is working fine with redmine 1.3 on other server

please help.....

ActionView::TemplateError (No route matches {:action=>"index", :controller=>"rtimport"}) on line #3 of app/views/admin/_menu.html.erb:
1: <div id="admin-menu">
2: <ul>
3: <%= render_menu :admin_menu %>
4: </ul>
5: </div>

/usr/lib/ruby/vendor_ruby/action_controller/routing/route_set.rb:420:in `generate'
    /usr/lib/ruby/vendor_ruby/action_controller/url_rewriter.rb:218:in `rewrite_path'
    /usr/lib/ruby/vendor_ruby/action_controller/url_rewriter.rb:197:in `rewrite_url'
    /usr/lib/ruby/vendor_ruby/action_controller/url_rewriter.rb:175:in `rewrite'
    /usr/lib/ruby/vendor_ruby/action_controller/base.rb:625:in `url_for'
    /usr/lib/ruby/vendor_ruby/action_view/helpers/url_helper.rb:85:in `send'
    /usr/lib/ruby/vendor_ruby/action_view/helpers/url_helper.rb:85:in `url_for'
    /usr/lib/ruby/vendor_ruby/action_view/helpers/url_helper.rb:228:in `link_to'
    lib/redmine/menu_manager.rb:150:in `render_single_menu_node'
    lib/redmine/menu_manager.rb:102:in `render_menu_node'
    lib/redmine/menu_manager.rb:91:in `render_menu'
    lib/redmine/menu_manager.rb:168:in `menu_items_for'
    lib/redmine/menu_manager.rb:165:in `each'
    lib/redmine/menu_manager.rb:165:in `menu_items_for'
    lib/redmine/menu_manager.rb:90:in `render_menu'
    app/views/admin/_menu.html.erb:3
    /usr/lib/ruby/vendor_ruby/action_view/renderable.rb:34:in `send'
    /usr/lib/ruby/vendor_ruby/action_view/renderable.rb:34:in `render'
    /usr/lib/ruby/vendor_ruby/action_view/base.rb:306:in `with_template'
    /usr/lib/ruby/vendor_ruby/action_view/renderable.rb:30:in `render'
    /usr/lib/ruby/vendor_ruby/action_view/renderable_partial.rb:20:in `render'
    /usr/lib/ruby/vendor_ruby/action_controller/benchmarking.rb:30:in `benchmark'
    /usr/lib/ruby/vendor_ruby/action_view/renderable_partial.rb:19:in `render'
    /usr/lib/ruby/vendor_ruby/action_view/template.rb:205:in `render_template'
    /usr/lib/ruby/vendor_ruby/action_view/renderable_partial.rb:44:in `render_partial'
    /usr/lib/ruby/vendor_ruby/action_view/partials.rb:184:in `render_partial'
    /usr/lib/ruby/vendor_ruby/action_view/base.rb:267:in `render'
    app/views/admin/index.html.erb:5
    /usr/lib/ruby/vendor_ruby/action_view/renderable.rb:34:in `send'
    /usr/lib/ruby/vendor_ruby/action_view/renderable.rb:34:in `render'
    /usr/lib/ruby/vendor_ruby/action_view/base.rb:306:in `with_template'
    /usr/lib/ruby/vendor_ruby/action_view/renderable.rb:30:in `render'
    /usr/lib/ruby/vendor_ruby/action_view/template.rb:205:in `render_template'
    /usr/lib/ruby/vendor_ruby/action_view/base.rb:265:in `render'
    /usr/lib/ruby/vendor_ruby/action_view/base.rb:348:in `_render_with_layout'
    /usr/lib/ruby/vendor_ruby/action_view/base.rb:262:in `render'
    /usr/lib/ruby/vendor_ruby/action_controller/base.rb:1252:in `render_for_file'
    /usr/lib/ruby/vendor_ruby/action_controller/base.rb:936:in `render_without_benchmark'
    /usr/lib/ruby/vendor_ruby/action_controller/benchmarking.rb:51:in `render'
    /usr/lib/ruby/vendor_ruby/action_controller/benchmarking.rb:51:in `render'
    /usr/lib/ruby/vendor_ruby/action_controller/base.rb:1328:in `default_render'
    /usr/lib/ruby/vendor_ruby/action_controller/base.rb:1334:in `perform_action_without_filters'
    /usr/lib/ruby/vendor_ruby/action_controller/filters.rb:617:in `call_filters'
    /usr/lib/ruby/vendor_ruby/action_controller/filters.rb:610:in `perform_action_without_benchmark'
    /usr/lib/ruby/vendor_ruby/action_controller/benchmarking.rb:68:in `perform_action_without_rescue'
    /usr/lib/ruby/vendor_ruby/action_controller/benchmarking.rb:68:in `perform_action_without_rescue'
    /usr/lib/ruby/vendor_ruby/action_controller/rescue.rb:160:in `perform_action_without_flash'
    /usr/lib/ruby/vendor_ruby/action_controller/flash.rb:151:in `perform_action'
    /usr/lib/ruby/vendor_ruby/action_controller/base.rb:532:in `send'
    /usr/lib/ruby/vendor_ruby/action_controller/base.rb:532:in `process_without_filters'
    /usr/lib/ruby/vendor_ruby/action_controller/filters.rb:606:in `process'
    /usr/lib/ruby/vendor_ruby/action_controller/base.rb:391:in `process'
    /usr/lib/ruby/vendor_ruby/action_controller/base.rb:386:in `call'
    /usr/lib/ruby/vendor_ruby/action_controller/routing/route_set.rb:438:in `call'
    /usr/lib/ruby/vendor_ruby/action_controller/dispatcher.rb:87:in `dispatch'
    /usr/lib/ruby/vendor_ruby/action_controller/dispatcher.rb:121:in `_call'
    /usr/lib/ruby/vendor_ruby/action_controller/dispatcher.rb:130:in `build_middleware_stack'
    /usr/lib/ruby/vendor_ruby/active_record/query_cache.rb:29:in `call'
    /usr/lib/ruby/vendor_ruby/active_record/query_cache.rb:29:in `call'
    /usr/lib/ruby/vendor_ruby/active_record/connection_adapters/abstract/query_cache.rb:34:in `cache'
    /usr/lib/ruby/vendor_ruby/active_record/query_cache.rb:9:in `cache'
    /usr/lib/ruby/vendor_ruby/active_record/query_cache.rb:28:in `call'
    /usr/lib/ruby/vendor_ruby/active_record/connection_adapters/abstract/connection_pool.rb:361:in `call'
    /usr/lib/ruby/vendor_ruby/action_controller/string_coercion.rb:25:in `call'
    /usr/lib/ruby/vendor_ruby/rack/head.rb:9:in `call'
    /usr/lib/ruby/vendor_ruby/rack/methodoverride.rb:21:in `call'
    /usr/lib/ruby/vendor_ruby/action_controller/params_parser.rb:15:in `call'
    /usr/lib/ruby/vendor_ruby/action_controller/session/cookie_store.rb:99:in `call'
    /usr/lib/ruby/vendor_ruby/action_controller/failsafe.rb:26:in `call'
    /usr/lib/ruby/vendor_ruby/rack/lock.rb:15:in `call'
    /usr/lib/ruby/vendor_ruby/action_controller/dispatcher.rb:106:in `call'
    /usr/lib/ruby/1.8/phusion_passenger/rack/request_handler.rb:92:in `process_request'
    /usr/lib/ruby/1.8/phusion_passenger/abstract_request_handler.rb:207:in `main_loop'
    /usr/lib/ruby/1.8/phusion_passenger/railz/application_spawner.rb:418:in `start_request_handler'
    /usr/lib/ruby/1.8/phusion_passenger/railz/application_spawner.rb:358:in `handle_spawn_application'
    /usr/lib/ruby/1.8/phusion_passenger/utils.rb:184:in `safe_fork'
    /usr/lib/ruby/1.8/phusion_passenger/railz/application_spawner.rb:354:in `handle_spawn_application'
    /usr/lib/ruby/1.8/phusion_passenger/abstract_server.rb:352:in `__send__'
    /usr/lib/ruby/1.8/phusion_passenger/abstract_server.rb:352:in `main_loop'
    /usr/lib/ruby/1.8/phusion_passenger/abstract_server.rb:196:in `start_synchronously'
    /usr/lib/ruby/1.8/phusion_passenger/abstract_server.rb:163:in `start'
    /usr/lib/ruby/1.8/phusion_passenger/railz/application_spawner.rb:213:in `start'
    /usr/lib/ruby/1.8/phusion_passenger/spawn_manager.rb:262:in `spawn_rails_application'
    /usr/lib/ruby/1.8/phusion_passenger/abstract_server_collection.rb:126:in `lookup_or_add'
    /usr/lib/ruby/1.8/phusion_passenger/spawn_manager.rb:256:in `spawn_rails_application'
    /usr/lib/ruby/1.8/phusion_passenger/abstract_server_collection.rb:80:in `synchronize'
    /usr/lib/ruby/1.8/phusion_passenger/abstract_server_collection.rb:79:in `synchronize'
    /usr/lib/ruby/1.8/phusion_passenger/spawn_manager.rb:255:in `spawn_rails_application'
    /usr/lib/ruby/1.8/phusion_passenger/spawn_manager.rb:154:in `spawn_application'
    /usr/lib/ruby/1.8/phusion_passenger/spawn_manager.rb:287:in `handle_spawn_application'
    /usr/lib/ruby/1.8/phusion_passenger/abstract_server.rb:352:in `__send__'
    /usr/lib/ruby/1.8/phusion_passenger/abstract_server.rb:352:in `main_loop'
    /usr/lib/ruby/1.8/phusion_passenger/abstract_server.rb:196:in `start_synchronously'
    /usr/lib/phusion_passenger/passenger-spawn-server:61