Redmine

its a second day of my war for redmine instalation. I'm tired.

i was able to collect this soft:

MySQL 5.0.77
ruby 1.8.5  
gem 1.3.5
*** LOCAL GEMS ***
actionmailer (2.3.5)
actionpack (2.3.5)
activerecord (2.3.5)
activeresource (2.3.5)
activesupport (2.3.5)
daemon_controller (0.2.6)
fastthread (1.0.7)
file-tail (1.0.5)
i18n (0.4.2)
passenger (3.0.2)
rack (1.0.1)
rails (2.3.5)
rake (0.8.7)
spruz (0.2.5)

and run redmine with:

ruby script/server webrick -e production

all is working fine, but when i click on "project->new issue", "project->setting" or "administration->users->admin" (sometime "project->gantt" and maybe other) it's falling to Internal error(500).
in the putty's window i can see different messages at each launch, but with common theme for all errors.
for example, one of "allowed_parents"-series:

Processing UsersController#edit (for 84.23.50.164 at 2011-04-19 14:40:02) [GET]
  Parameters: {"action"=>"edit", "id"=>"1", "controller"=>"users"}
Rendering template within layouts/admin
Rendering users/edit

ActionView::TemplateError (stack level too deep) in app/views/users/_mail_notifications.html.erb:

    app/models/project.rb:233:in `find'
    app/models/project.rb:278:in `-'
    app/models/project.rb:278:in `allowed_parents'
bla-bla-bla

at this moment i have brand new `available_filters'-series:

Processing ProjectsController#settings (for 84.23.50.164 at 2011-04-19 14:58:13) [GET]
  Parameters: {"action"=>"settings", "id"=>"qq", "controller"=>"projects"}
Rendering template within layouts/base
Rendering projects/settings

ActionView::TemplateError (stack level too deep) in app/views/projects/_form.rhtml:

    app/models/query.rb:225:in `available_filters'
    app/views/queries/_filters.rhtml:75:in....
bla-bla-bla

please help