Redmine

I have update gems and update rails to 2.2.2
install mysql drivers and copy libmysql.dll to ruby/bin
now when I run redmine error message is:
d:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_view/renderable.rb:21
:in `_unmemoized_compiled_source': undefined method `call' for RFPDF::View:Class
(NoMethodError)
from d:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.2.2/lib/active_suppo
rt/memoizable.rb:57:in `compiled_source'
from d:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.2.2/lib/active_suppo
rt/memoizable.rb:25:in `__send__'
from d:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.2.2/lib/active_suppo
rt/memoizable.rb:25:in `memoize_all'
from d:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.2.2/lib/active_suppo
rt/memoizable.rb:22:in `each'
from d:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.2.2/lib/active_suppo
rt/memoizable.rb:22:in `memoize_all'
from d:/ruby/lib/ruby/gems/1.8/gems/activesupport-2.2.2/lib/active_suppo
rt/memoizable.rb:17:in `freeze'
from d:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_view/pat
hs.rb:88:in `reload!'
from d:/ruby/lib/ruby/gems/1.8/gems/actionpack-2.2.2/lib/action_view/pat
hs.rb:102:in `templates_in_path'
... 23 levels...
from d:/ruby/lib/ruby/gems/1.8/gems/rails-2.2.2/lib/commands/server.rb:4
9
from d:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `ge
m_original_require'
from d:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `re
quire'

help me
thanks