Hi,

I'm getting an error I just can't find any cause for.
The error is "A copy of ApplicationHelper has been removed from the
module tree but is still active!" and gets thrown
in a Template that uses a method defined in my ApplicationHelper. The
error occurs only in development mode.

The error did not occur before my switch to Ruby 1.8.7 and Rails 2.1.2
minutes ago.
I have absolutely no clue about what could be causing this.
The problem occurs on windows as well as MacOS X 10.5

Any help would be appreciated.

regards

Jan

Stacktrace:

ActionView::TemplateError (A copy of ApplicationHelper has been
removed from the module tree but is still active!) on line #57 of
photosessions/show.html.erb:
54:                     </td>
55:                     <td class="cell-select">
56:                         <select name="formats[]" class="format">
57:                             <%=
price_options_for(@photosession.typ) %>
58:                         </select>
59:                     </td>
60:                     <td class="cell-remove">

    /opt/local/lib/ruby/gems/1.8/gems/activesupport-2.1.2/lib/
active_support/dependencies.rb:250:in `load_missing_constant'
    /opt/local/lib/ruby/gems/1.8/gems/activesupport-2.1.2/lib/
active_support/dependencies.rb:468:in `const_missing'
    app/helpers/application_helper.rb:20:in `price_options_for'
    app/views/photosessions/show.html.erb:57:in
`_run_erb_47app47views47photosessions47show46html46erb'
    /opt/local/lib/ruby/gems/1.8/gems/actionpack-2.1.2/lib/action_view/
base.rb:342:in `send'
    /opt/local/lib/ruby/gems/1.8/gems/actionpack-2.1.2/lib/action_view/
base.rb:342:in `execute'
    /opt/local/lib/ruby/gems/1.8/gems/actionpack-2.1.2/lib/action_view/
template_handlers/compilable.rb:29:in `send'
    /opt/local/lib/ruby/gems/1.8/gems/actionpack-2.1.2/lib/action_view/
template_handlers/compilable.rb:29:in `render'
    /opt/local/lib/ruby/gems/1.8/gems/actionpack-2.1.2/lib/action_view/
template.rb:35:in `render'
    /opt/local/lib/ruby/gems/1.8/gems/actionpack-2.1.2/lib/action_view/
template.rb:22:in `render_template'
    /opt/local/lib/ruby/gems/1.8/gems/actionpack-2.1.2/lib/action_view/
base.rb:248:in `render_file'


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