This is the form:

<h3>Add post</h3>

<%= form_tag :controller=>'posts', :action=>'create' do %>
  <%= label :q, :Title %>
  <%= text_field :data, :title, :class => :addtextsize %><br/>
  <%= label :q, :Content %>
  <%= text_area  :data, :content, :rows=>10 , :class => :addtextarea
%><br/>
  <%= label :q, :Tags %>
  <%= text_field :data, :tags, :class => :addtextsize %><br/>
  <%= label :q, :Submit %>
  <%= submit_tag "Add Post" %>
<% end %>

I put "linux dev" in tags textbox.


This is the action:

def create
  @addpost = Post.new params[:data]
  @addpost.user_id = current_user.id
  print @addpost
end

I got error for this line: @addpost = Post.new params[:data]

Error:

NoMethodError in PostsController#create

undefined method `each' for "linux dev":String

activerecord (3.1.3)
lib/active_record/associations/collection_association.rb:299:in
`replace'
activerecord (3.1.3)
lib/active_record/associations/collection_association.rb:41:in `writer'
activerecord (3.1.3)
lib/active_record/associations/builder/association.rb:49:in `block in
define_writers'
activerecord (3.1.3) lib/active_record/base.rb:1751:in `block in
assign_attributes'
activerecord (3.1.3) lib/active_record/base.rb:1747:in `each'
activerecord (3.1.3) lib/active_record/base.rb:1747:in
`assign_attributes'
activerecord (3.1.3) lib/active_record/base.rb:1567:in `initialize'
app/controllers/posts_controller.rb:19:in `new'
app/controllers/posts_controller.rb:19:in `create'
actionpack (3.1.3) lib/action_controller/metal/implicit_render.rb:4:in
`send_action'
actionpack (3.1.3) lib/abstract_controller/base.rb:167:in
`process_action'
actionpack (3.1.3) lib/action_controller/metal/rendering.rb:10:in
`process_action'
actionpack (3.1.3) lib/abstract_controller/callbacks.rb:18:in `block in
process_action'
activesupport (3.1.3) lib/active_support/callbacks.rb:425:in
`_run__426936025__process_action__703550844__callbacks'
activesupport (3.1.3) lib/active_support/callbacks.rb:386:in
`_run_process_action_callbacks'
activesupport (3.1.3) lib/active_support/callbacks.rb:81:in
`run_callbacks'
actionpack (3.1.3) lib/abstract_controller/callbacks.rb:17:in
`process_action'
actionpack (3.1.3) lib/action_controller/metal/rescue.rb:17:in
`process_action'
actionpack (3.1.3) lib/action_controller/metal/instrumentation.rb:30:in
`block in process_action'
activesupport (3.1.3) lib/active_support/notifications.rb:53:in `block
in instrument'
activesupport (3.1.3)
lib/active_support/notifications/instrumenter.rb:21:in `instrument'
activesupport (3.1.3) lib/active_support/notifications.rb:53:in
`instrument'
actionpack (3.1.3) lib/action_controller/metal/instrumentation.rb:29:in
`process_action'
actionpack (3.1.3) lib/action_controller/metal/params_wrapper.rb:201:in
`process_action'
activerecord (3.1.3)
lib/active_record/railties/controller_runtime.rb:18:in `process_action'
actionpack (3.1.3) lib/abstract_controller/base.rb:121:in `process'
actionpack (3.1.3) lib/abstract_controller/rendering.rb:45:in `process'
actionpack (3.1.3) lib/action_controller/metal.rb:193:in `dispatch'
actionpack (3.1.3) lib/action_controller/metal/rack_delegation.rb:14:in
`dispatch'
actionpack (3.1.3) lib/action_controller/metal.rb:236:in `block in
action'
actionpack (3.1.3) lib/action_dispatch/routing/route_set.rb:65:in `call'
actionpack (3.1.3) lib/action_dispatch/routing/route_set.rb:65:in
`dispatch'
actionpack (3.1.3) lib/action_dispatch/routing/route_set.rb:29:in `call'
rack-mount (0.8.3) lib/rack/mount/route_set.rb:152:in `block in call'
rack-mount (0.8.3) lib/rack/mount/code_generation.rb:96:in `block in
recognize'
rack-mount (0.8.3) lib/rack/mount/code_generation.rb:75:in
`optimized_each'
rack-mount (0.8.3) lib/rack/mount/code_generation.rb:95:in `recognize'
rack-mount (0.8.3) lib/rack/mount/route_set.rb:141:in `call'
actionpack (3.1.3) lib/action_dispatch/routing/route_set.rb:532:in
`call'
warden (1.1.0) lib/warden/manager.rb:35:in `block in call'
warden (1.1.0) lib/warden/manager.rb:34:in `catch'
warden (1.1.0) lib/warden/manager.rb:34:in `call'
actionpack (3.1.3)
lib/action_dispatch/middleware/best_standards_support.rb:17:in `call'
rack (1.3.5) lib/rack/etag.rb:23:in `call'
rack (1.3.5) lib/rack/conditionalget.rb:35:in `call'
actionpack (3.1.3) lib/action_dispatch/middleware/head.rb:14:in `call'
actionpack (3.1.3) lib/action_dispatch/middleware/params_parser.rb:21:in
`call'
actionpack (3.1.3) lib/action_dispatch/middleware/flash.rb:247:in `call'
rack (1.3.5) lib/rack/session/abstract/id.rb:195:in `context'
rack (1.3.5) lib/rack/session/abstract/id.rb:190:in `call'
actionpack (3.1.3) lib/action_dispatch/middleware/cookies.rb:331:in
`call'
activerecord (3.1.3) lib/active_record/query_cache.rb:64:in `call'
activerecord (3.1.3)
lib/active_record/connection_adapters/abstract/connection_pool.rb:477:in
`call'
actionpack (3.1.3) lib/action_dispatch/middleware/callbacks.rb:29:in
`block in call'
activesupport (3.1.3) lib/active_support/callbacks.rb:392:in
`_run_call_callbacks'
activesupport (3.1.3) lib/active_support/callbacks.rb:81:in
`run_callbacks'
actionpack (3.1.3) lib/action_dispatch/middleware/callbacks.rb:28:in
`call'
actionpack (3.1.3) lib/action_dispatch/middleware/reloader.rb:68:in
`call'
rack (1.3.5) lib/rack/sendfile.rb:101:in `call'
actionpack (3.1.3) lib/action_dispatch/middleware/remote_ip.rb:48:in
`call'
actionpack (3.1.3)
lib/action_dispatch/middleware/show_exceptions.rb:47:in `call'
railties (3.1.3) lib/rails/rack/logger.rb:13:in `call'
rack (1.3.5) lib/rack/methodoverride.rb:24:in `call'
rack (1.3.5) lib/rack/runtime.rb:17:in `call'
activesupport (3.1.3)
lib/active_support/cache/strategy/local_cache.rb:72:in `call'
rack (1.3.5) lib/rack/lock.rb:15:in `call'
actionpack (3.1.3) lib/action_dispatch/middleware/static.rb:53:in `call'
railties (3.1.3) lib/rails/engine.rb:456:in `call'
rack (1.3.5) lib/rack/content_length.rb:14:in `call'
railties (3.1.3) lib/rails/rack/log_tailer.rb:14:in `call'
rack (1.3.5) lib/rack/handler/webrick.rb:59:in `service'
/home/user1/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/webrick/httpserver.rb:111:in
`service'
/home/user1/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/webrick/httpserver.rb:70:in
`run'
/home/user1/.rvm/rubies/ruby-1.9.2-p180/lib/ruby/1.9.1/webrick/server.rb:183:in
`block in start_thread'

Why am i getting this error?

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