# Plese have a look on this error and tell me y it comes

**URL:** <https://www.ruby-forum.com/t/plese-have-a-look-on-this-error-and-tell-me-y-it-comes/166854>\
**Category:** Rails\
**Created:** [April 30, 2009, 7:19am UTC](https://www.ruby-forum.com/t/plese-have-a-look-on-this-error-and-tell-me-y-it-comes/166854 "2009-04-30T07:19:44Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![hamidraza](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/h/e9a140/32.png) [@hamidraza](https://www.ruby-forum.com/u/hamidraza)\
**Post date:** [April 30, 2009, 7:19am UTC](https://www.ruby-forum.com/t/plese-have-a-look-on-this-error-and-tell-me-y-it-comes/166854/1 "2009-04-30T07:19:44Z")

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Drive\Ruby Projects\ramf\>ruby script/generate model category  
by/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active\_support/dependencies.rb:440:in  
`load_missing_constant initialized constant RAMF::OperationProcessorsManager (NameError) from c:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/dependencies.rb:80:in`const\_mis

from E:/D Drive/Ruby  
Projects/ramf/vendor/plugins/ramf\_rails/lib/ramf/rails/action\_processor.rb:2  
from c:/ruby/lib/ruby/site\_ruby/1.8/rubygems/custom\_require.rb:31:in  
`gem_original_require' from c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in`require’  
from  
c:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active\_support/dependencies.rb:156:in  
`require’

from  
c:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active\_support/dependencies.rb:521:in  
`new_cons _in' from c:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.2/lib/active_support/dependencies.rb:156:in`require’

from E:/D Drive/Ruby  
Projects/ramf/vendor/plugins/ramf\_rails/init.rb:9:in `evaluate_init_rb' ... 14 levels... from c:/ruby/lib/ruby/gems/1.8/gems/rails-2.3.2/lib/commands/generate.rb:1 from c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in`gem\_original\_require’  
from c:/ruby/lib/ruby/site\_ruby/1.8/rubygems/custom\_require.rb:31:in  
`require’  
from script/generate:3

---

<div class="post-metadata">

**Author:** ![hamidraza](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/h/e9a140/32.png) [@hamidraza](https://www.ruby-forum.com/u/hamidraza)\
**Post date:** [May 1, 2009, 1:24am UTC](https://www.ruby-forum.com/t/plese-have-a-look-on-this-error-and-tell-me-y-it-comes/166854/2 "2009-05-01T01:24:12Z")

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I couldn’t say for sure, but have you got the ramf gem installed and  
activated? Or the plugin?

OperationProcessorsManager is defined as part of ramf:

> **[GitHub - neerfri/ramf: An amf serializer for Ruby](https://github.com/neerfri/ramf/tree/master)**
>
> master

–Matt J.

On Apr 30, 12:19 am, Hamid R. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)