Haml::Error in Kurs#sirkel

Showing /home/app/webapp/app/views/kurs/sirkel.haml where line # raised:

To use the "textile" filter, please install the haml-contrib gem.
Extracted source (around line #268):
266
267
268
269
270
271
              
name = @node.value[:name]
if ["maruku", "textile"].include?(name)
raise Error.new(Error.message(:install_haml_contrib, name), @node.line - 1)
else
raise Error.new(Error.message(:filter_not_defined, name), @node.line - 1)
end

Rails.root: /home/app/webapp

Application Trace | Framework Trace | Full Trace
haml (4.0.7) lib/haml/compiler.rb:268:in `compile_filter'
haml (4.0.7) lib/haml/compiler.rb:20:in `compile'
haml (4.0.7) lib/haml/compiler.rb:22:in `block (2 levels) in compile'
haml (4.0.7) lib/haml/compiler.rb:22:in `each'
haml (4.0.7) lib/haml/compiler.rb:22:in `block in compile'
haml (4.0.7) lib/haml/compiler.rb:95:in `compile_root'
haml (4.0.7) lib/haml/compiler.rb:22:in `compile'
haml (4.0.7) lib/haml/engine.rb:66:in `initialize'
haml (4.0.7) lib/haml/template/plugin.rb:25:in `new'
haml (4.0.7) lib/haml/template/plugin.rb:25:in `compile'
haml (4.0.7) lib/haml/template/plugin.rb:30:in `call'
actionview (4.2.3) lib/action_view/template.rb:270:in `compile'
actionview (4.2.3) lib/action_view/template.rb:245:in `block (2 levels) in compile!'
activesupport (4.2.3) lib/active_support/notifications.rb:166:in `instrument'
actionview (4.2.3) lib/action_view/template.rb:333:in `instrument'
actionview (4.2.3) lib/action_view/template.rb:244:in `block in compile!'
actionview (4.2.3) lib/action_view/template.rb:232:in `synchronize'
actionview (4.2.3) lib/action_view/template.rb:232:in `compile!'
actionview (4.2.3) lib/action_view/template.rb:144:in `block in render'
activesupport (4.2.3) lib/active_support/notifications.rb:166:in `instrument'
actionview (4.2.3) lib/action_view/template.rb:333:in `instrument'
actionview (4.2.3) lib/action_view/template.rb:143:in `render'
actionview (4.2.3) lib/action_view/renderer/template_renderer.rb:54:in `block (2 levels) in render_template'
actionview (4.2.3) lib/action_view/renderer/abstract_renderer.rb:39:in `block in instrument'
activesupport (4.2.3) lib/active_support/notifications.rb:164:in `block in instrument'
activesupport (4.2.3) lib/active_support/notifications/instrumenter.rb:20:in `instrument'
activesupport (4.2.3) lib/active_support/notifications.rb:164:in `instrument'
actionview (4.2.3) lib/action_view/renderer/abstract_renderer.rb:39:in `instrument'
actionview (4.2.3) lib/action_view/renderer/template_renderer.rb:53:in `block in render_template'
actionview (4.2.3) lib/action_view/renderer/template_renderer.rb:61:in `render_with_layout'
actionview (4.2.3) lib/action_view/renderer/template_renderer.rb:52:in `render_template'
actionview (4.2.3) lib/action_view/renderer/template_renderer.rb:14:in `render'
actionview (4.2.3) lib/action_view/renderer/renderer.rb:42:in `render_template'
actionview (4.2.3) lib/action_view/renderer/renderer.rb:23:in `render'
actionview (4.2.3) lib/action_view/rendering.rb:100:in `_render_template'
actionpack (4.2.3) lib/action_controller/metal/streaming.rb:217:in `_render_template'
actionview (4.2.3) lib/action_view/rendering.rb:83:in `render_to_body'
actionpack (4.2.3) lib/action_controller/metal/rendering.rb:32:in `render_to_body'
actionpack (4.2.3) lib/action_controller/metal/renderers.rb:37:in `render_to_body'
actionpack (4.2.3) lib/abstract_controller/rendering.rb:25:in `render'
actionpack (4.2.3) lib/action_controller/metal/rendering.rb:16:in `render'
actionpack (4.2.3) lib/action_controller/metal/instrumentation.rb:44:in `block (2 levels) in render'
activesupport (4.2.3) lib/active_support/core_ext/benchmark.rb:12:in `block in ms'
/usr/local/rvm/rubies/ruby-2.2.5/lib/ruby/2.2.0/benchmark.rb:303:in `realtime'
activesupport (4.2.3) lib/active_support/core_ext/benchmark.rb:12:in `ms'
actionpack (4.2.3) lib/action_controller/metal/instrumentation.rb:44:in `block in render'
actionpack (4.2.3) lib/action_controller/metal/instrumentation.rb:87:in `cleanup_view_runtime'
activerecord (4.2.3) lib/active_record/railties/controller_runtime.rb:25:in `cleanup_view_runtime'
actionpack (4.2.3) lib/action_controller/metal/instrumentation.rb:43:in `render'
actionpack (4.2.3) lib/action_controller/metal/implicit_render.rb:10:in `default_render'
actionpack (4.2.3) lib/action_controller/metal/implicit_render.rb:5:in `send_action'
actionpack (4.2.3) lib/abstract_controller/base.rb:198:in `process_action'
actionpack (4.2.3) lib/action_controller/metal/rendering.rb:10:in `process_action'
actionpack (4.2.3) lib/abstract_controller/callbacks.rb:20:in `block in process_action'
activesupport (4.2.3) lib/active_support/callbacks.rb:115:in `call'
activesupport (4.2.3) lib/active_support/callbacks.rb:115:in `call'
activesupport (4.2.3) lib/active_support/callbacks.rb:553:in `block (2 levels) in compile'
activesupport (4.2.3) lib/active_support/callbacks.rb:503:in `call'
activesupport (4.2.3) lib/active_support/callbacks.rb:503:in `call'
activesupport (4.2.3) lib/active_support/callbacks.rb:88:in `run_callbacks'
actionpack (4.2.3) lib/abstract_controller/callbacks.rb:19:in `process_action'
actionpack (4.2.3) lib/action_controller/metal/rescue.rb:29:in `process_action'
actionpack (4.2.3) lib/action_controller/metal/instrumentation.rb:32:in `block in process_action'
activesupport (4.2.3) lib/active_support/notifications.rb:164:in `block in instrument'
activesupport (4.2.3) lib/active_support/notifications/instrumenter.rb:20:in `instrument'
activesupport (4.2.3) lib/active_support/notifications.rb:164:in `instrument'
actionpack (4.2.3) lib/action_controller/metal/instrumentation.rb:30:in `process_action'
actionpack (4.2.3) lib/action_controller/metal/params_wrapper.rb:250:in `process_action'
activerecord (4.2.3) lib/active_record/railties/controller_runtime.rb:18:in `process_action'
actionpack (4.2.3) lib/abstract_controller/base.rb:137:in `process'
actionview (4.2.3) lib/action_view/rendering.rb:30:in `process'
actionpack (4.2.3) lib/action_controller/metal.rb:196:in `dispatch'
actionpack (4.2.3) lib/action_controller/metal/rack_delegation.rb:13:in `dispatch'
actionpack (4.2.3) lib/action_controller/metal.rb:237:in `block in action'
actionpack (4.2.3) lib/action_dispatch/routing/route_set.rb:76:in `call'
actionpack (4.2.3) lib/action_dispatch/routing/route_set.rb:76:in `dispatch'
actionpack (4.2.3) lib/action_dispatch/routing/route_set.rb:45:in `serve'
actionpack (4.2.3) lib/action_dispatch/journey/router.rb:43:in `block in serve'
actionpack (4.2.3) lib/action_dispatch/journey/router.rb:30:in `each'
actionpack (4.2.3) lib/action_dispatch/journey/router.rb:30:in `serve'
actionpack (4.2.3) lib/action_dispatch/routing/route_set.rb:821:in `call'
rack (1.6.4) lib/rack/etag.rb:24:in `call'
rack (1.6.4) lib/rack/conditionalget.rb:25:in `call'
rack (1.6.4) lib/rack/head.rb:13:in `call'
actionpack (4.2.3) lib/action_dispatch/middleware/params_parser.rb:27:in `call'
actionpack (4.2.3) lib/action_dispatch/middleware/flash.rb:260:in `call'
rack (1.6.4) lib/rack/session/abstract/id.rb:225:in `context'
rack (1.6.4) lib/rack/session/abstract/id.rb:220:in `call'
actionpack (4.2.3) lib/action_dispatch/middleware/cookies.rb:560:in `call'
activerecord (4.2.3) lib/active_record/query_cache.rb:36:in `call'
activerecord (4.2.3) lib/active_record/connection_adapters/abstract/connection_pool.rb:653:in `call'
actionpack (4.2.3) lib/action_dispatch/middleware/callbacks.rb:29:in `block in call'
activesupport (4.2.3) lib/active_support/callbacks.rb:84:in `run_callbacks'
actionpack (4.2.3) lib/action_dispatch/middleware/callbacks.rb:27:in `call'
actionpack (4.2.3) lib/action_dispatch/middleware/reloader.rb:73:in `call'
actionpack (4.2.3) lib/action_dispatch/middleware/remote_ip.rb:78:in `call'
actionpack (4.2.3) lib/action_dispatch/middleware/debug_exceptions.rb:17:in `call'
actionpack (4.2.3) lib/action_dispatch/middleware/show_exceptions.rb:30:in `call'
railties (4.2.3) lib/rails/rack/logger.rb:38:in `call_app'
railties (4.2.3) lib/rails/rack/logger.rb:20:in `block in call'
activesupport (4.2.3) lib/active_support/tagged_logging.rb:68:in `block in tagged'
activesupport (4.2.3) lib/active_support/tagged_logging.rb:26:in `tagged'
activesupport (4.2.3) lib/active_support/tagged_logging.rb:68:in `tagged'
railties (4.2.3) lib/rails/rack/logger.rb:20:in `call'
request_store (1.3.1) lib/request_store/middleware.rb:9:in `call'
actionpack (4.2.3) lib/action_dispatch/middleware/request_id.rb:21:in `call'
rack (1.6.4) lib/rack/methodoverride.rb:22:in `call'
rack (1.6.4) lib/rack/runtime.rb:18:in `call'
activesupport (4.2.3) lib/active_support/cache/strategy/local_cache_middleware.rb:28:in `call'
rack (1.6.4) lib/rack/lock.rb:17:in `call'
actionpack (4.2.3) lib/action_dispatch/middleware/static.rb:116:in `call'
rack (1.6.4) lib/rack/sendfile.rb:113:in `call'
railties (4.2.3) lib/rails/engine.rb:518:in `call'
railties (4.2.3) lib/rails/application.rb:165:in `call'
railties (4.2.3) lib/rails/railtie.rb:194:in `public_send'
railties (4.2.3) lib/rails/railtie.rb:194:in `method_missing'
/usr/lib/ruby/vendor_ruby/phusion_passenger/rack/thread_handler_extension.rb:97:in `process_request'
/usr/lib/ruby/vendor_ruby/phusion_passenger/request_handler/thread_handler.rb:149:in `accept_and_process_next_request'
/usr/lib/ruby/vendor_ruby/phusion_passenger/request_handler/thread_handler.rb:110:in `main_loop'
/usr/lib/ruby/vendor_ruby/phusion_passenger/request_handler.rb:415:in `block (3 levels) in start_threads'
/usr/lib/ruby/vendor_ruby/phusion_passenger/utils.rb:113:in `block in create_thread_and_abort_on_exception'

Request

Parameters:

None

Response

Headers:

None