[Radiant-Docs] External RSS Extension wont work

[Joshua Oransky]

Can anyone suggest a solution to my external RSS extension problem?

I'm getting this error:

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ActiveRecord::DangerousAttributeError in Admin/external_rss_feed#new

Showing admin/external_rss_feed/edit.rhtml where line #10 raised:

valid? is defined by ActiveRecord

extracted source (around line #10):

7: <div class="form-area"> 8: <p class="title"> 9: <label  
for="external_rss_feed_name">Name</label> 10: <%= text_field  
"external_rss_feed", "name", :class => 'textbox', :maxlength => 100 %>  
11: </p> 12: <p class="title"> 13: <label  
for="external_rss_feed_url">URL</label>
RAILS_ROOT: /Users/administrator/cmstest

Application Trace | Framework Trace | Full Trace
/Library/Ruby/Gems/1.8/gems/radiant-0.6.6/vendor/rails/activerecord/ 
lib/active_record/attribute_methods.rb:88:in  
`instance_method_already_implemented?' /Library/Ruby/Gems/1.8/gems/ 
radiant-0.6.6/vendor/rails/activerecord/lib/active_record/ 
attribute_methods.rb:76:in `define_attribute_methods' /Library/Ruby/ 
Gems/1.8/gems/radiant-0.6.6/vendor/rails/activerecord/lib/ 
active_record/attribute_methods.rb:63:in `each' /Library/Ruby/Gems/1.8/ 
gems/radiant-0.6.6/vendor/rails/activerecord/lib/active_record/ 
attribute_methods.rb:63:in `define_attribute_methods' /Library/Ruby/ 
Gems/1.8/gems/radiant-0.6.6/vendor/rails/activerecord/lib/ 
active_record/attribute_methods.rb:290:in `respond_to?' /Library/Ruby/ 
Gems/1.8/gems/radiant-0.6.6/vendor/rails/actionpack/lib/action_view/ 
helpers/form_helper.rb:560:in `value_before_type_cast' /Library/Ruby/ 
Gems/1.8/gems/radiant-0.6.6/vendor/rails/actionpack/lib/action_view/ 
helpers/form_helper.rb:550:in `value_before_type_cast' /Library/Ruby/ 
Gems/1.8/gems/radiant-0.6.6/vendor/rails/actionpack/lib/action_view/ 
helpers/form_helper.rb:465:in `to_input_field_tag' /Library/Ruby/Gems/ 
1.8/gems/radiant-0.6.6/vendor/rails/actionpack/lib/action_view/helpers/ 
form_helper.rb:289:in `text_field' /Library/Ruby/Gems/1.8/gems/ 
radiant-0.6.6/vendor/extensions/external_rss/app/views/admin/ 
external_rss_feed/edit.rhtml:10:in `_run_er....

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I have followed all the suggestions, and tried on Rails 1.2.6 and 2.0.2.

I followed the instruction on http://wiki.radiantcms.org/Using_External_RSS_extension/6 
  to the T to no avail.

I also tried changing the valid? method to validate in the  
external_rss_feed.rb but the error wont go away.

Any help is very appreciated! -Josh