# Problem with themes

**URL:** <https://www.ruby-forum.com/t/problem-with-themes/92576>\
**Category:** Rails\
**Created:** [April 20, 2007, 10:56pm UTC](https://www.ruby-forum.com/t/problem-with-themes/92576 "2007-04-20T22:56:10Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![spacechurro](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/d2c977/32.png) [@spacechurro](https://www.ruby-forum.com/u/spacechurro)\
**Post date:** [April 20, 2007, 10:56pm UTC](https://www.ruby-forum.com/t/problem-with-themes/92576/1 "2007-04-20T22:56:10Z")

</div>

i have updated my themes to work with rails 1.2.3 on my development  
machine… but the problem i am having is that when i try to run the same  
app on my production machine, i am getting the following error… (see  
below)

does anyone have any idea what this might be?

thanks!

\*\* Starting Mongrel listening at 0.0.0.0:8003  
\*\* Starting Rails with production environment …  
/usr/local/lib/ruby/site\_ruby/1.8/rubygems/custom\_require.rb:21:in  
`require__': no such file to load -- patches/actionmailer_ex (MissingSourceFile) from /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:21:in`require’  
from  
/usr/local/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active\_support/dependencies.rb:495:in  
`require' from /usr/local/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/dependencies.rb:342:in`new\_constants\_in’  
from  
/usr/local/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active\_support/dependencies.rb:495:in  
`require' from /home/fastcast/railsapps/podcaster/config/../vendor/plugins/theme_support/init.rb:4:in`load\_plugin’  
from  
/usr/local/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/initializer.rb:401:in  
`load_plugin' from /usr/local/lib/ruby/gems/1.8/gems/activesupport-1.4.2/lib/active_support/core_ext/kernel/reporting.rb:11:in`silence\_warnings’  
from  
/usr/local/lib/ruby/gems/1.8/gems/rails-1.2.3/lib/initializer.rb:401:in  
`load_plugin' ... 11 levels... from /usr/local/lib/ruby/gems/1.8/gems/mongrel-0.3.13.3/bin/mongrel_rails:83:in`run’  
from  
/usr/local/lib/ruby/gems/1.8/gems/mongrel-0.3.13.3/lib/mongrel/command.rb:199:in  
`run’  
from  
/usr/local/lib/ruby/gems/1.8/gems/mongrel-0.3.13.3/bin/mongrel\_rails:235  
from /usr/local/bin/mongrel\_rails:18