I click Debugger > ViewBreakpoints button and receive an un 
handled exception error. Only happened twice. Tried a third and fourth time and no problem encountered. I'm using XP
SP2.

Below is Unhandled Exception text:

NoMethodError: undefined method `fr_thread_list_all' for nil:NilClass

c:/ruby/freeride/./plugins/rubyide_tools_debugger/debugger.rb:633:in `show_thread_list'
c:/ruby/freeride/./plugins/rubyide_tools_fox_debugger/fox_debugger.rb:856:in `onCmdHelp'
c:/ruby/lib/ruby/gems/1.8/gems/fxruby-1.2.6-mswin32/lib/fox12/responder2.rb:57:in `call'
c:/ruby/lib/ruby/gems/1.8/gems/fxruby-1.2.6-mswin32/lib/fox12/responder2.rb:57:in `onHandleMsg'
c:/ruby/freeride/./plugins/rubyide_fox_gui/appframe.rb:51:in `run'
c:/ruby/freeride/./plugins/rubyide_fox_gui/appframe.rb:51:in `start'
c:/ruby/freeride/freebase/lib/freebase/databus.rb:950:in `call'
c:/ruby/freeride/freebase/lib/freebase/databus.rb:950:in `call'
c:/ruby/freeride/freebase/lib/freebase/databus.rb:560:in `call'
c:/ruby/freeride/freebase/lib/freebase/core.rb:69:in `initialize'
c:/ruby/freeride/freebase/lib/freebase/core.rb:68:in `new'
c:/ruby/freeride/freebase/lib/freebase/core.rb:68:in `initialize'
c:/ruby/freeride/freebase/lib/freebase/core.rb:35:in `new'
c:/ruby/freeride/freebase/lib/freebase/core.rb:35:in `startup'
freeride.rb:77:in `startup'
freeride.rb:116