Help please- can not work with firewatir

Hi,
Please help on the following issues:(I have become helpless after tried
about the whole days in finding the problems)

I have been using watir-webdriver but recently I found that I need to
use
firewatir.
So I installed it and with sudo gem install firewatir.

I can work with firewatir in my irb
But when I run the cucumber it shows the following error:

irfan@irfan-laptop:~/Desktop/nujoom$ cucumber
features/nujoom_accomodation_adddeal_8.feature
Using the default profile…
You have a nil object when you didn’t expect it!
You might have expected an instance of Array.
The error occurred while evaluating nil.map (NoMethodError)
/usr/lib/ruby/1.8/rubygems.rb:220:in activate'* */usr/lib/ruby/1.8/rubygems.rb:246:in activate’
/usr/lib/ruby/1.8/rubygems.rb:245:in each'* */usr/lib/ruby/1.8/rubygems.rb:245:in activate’
/usr/lib/ruby/1.8/rubygems.rb:1056:in gem'* */var/lib/gems/1.8/gems/commonwatir-1.7.1/lib/watir/browser.rb:133:in activate_gem’
/var/lib/gems/1.8/gems/commonwatir-1.7.1/lib/watir/browser.rb:108:in
support'* */var/lib/gems/1.8/gems/commonwatir-1.7.1/lib/watir/browsers.rb:9* */usr/lib/ruby/1.8/rubygems/custom_require.rb:31:in gem_original_require’

/usr/lib/ruby/1.8/rubygems/custom_require.rb:31:in require'* */home/irfan/Desktop/nujoom/vendor/rails/activesupport/lib/active_support/dependencies.rb:155:in require’
/var/lib/gems/1.8/gems/commonwatir-1.7.1/lib/watir/browser.rb:149
/usr/lib/ruby/1.8/rubygems/custom_require.rb:31:in
gem_original_require'* */usr/lib/ruby/1.8/rubygems/custom_require.rb:31:in require’

/home/irfan/Desktop/nujoom/vendor/rails/activesupport/lib/active_support/dependencies.rb:155:in
require'* */var/lib/gems/1.8/gems/commonwatir-1.7.1/lib/watir.rb:13* */usr/lib/ruby/1.8/rubygems/custom_require.rb:36:in gem_original_require’

/usr/lib/ruby/1.8/rubygems/custom_require.rb:36:in require'* */home/irfan/Desktop/nujoom/vendor/rails/activesupport/lib/active_support/dependencies.rb:155:in require’
/home/irfan/Desktop/nujoom/features/step_definitions/8_with_Firewatir.rb:2
/home/irfan/Desktop/nujoom/vendor/rails/activesupport/lib/active_support/dependencies.rb:144:in
load_without_new_constant_marking'* */home/irfan/Desktop/nujoom/vendor/rails/activesupport/lib/active_support/dependencies.rb:144:in load’

/var/lib/gems/1.8/gems/cucumber-0.9.4/bin/…/lib/cucumber/rb_support/rb_language.rb:143:in
load_code_file'* */var/lib/gems/1.8/gems/cucumber-0.9.4/bin/../lib/cucumber/runtime/support_code.rb:176:in load_file’

/var/lib/gems/1.8/gems/cucumber-0.9.4/bin/…/lib/cucumber/runtime/support_code.rb:78:in
load_files!'* */var/lib/gems/1.8/gems/cucumber-0.9.4/bin/../lib/cucumber/runtime/support_code.rb:77:in each’

/var/lib/gems/1.8/gems/cucumber-0.9.4/bin/…/lib/cucumber/runtime/support_code.rb:77:in
load_files!'* */var/lib/gems/1.8/gems/cucumber-0.9.4/bin/../lib/cucumber/runtime.rb:137:in load_step_definitions’

/var/lib/gems/1.8/gems/cucumber-0.9.4/bin/…/lib/cucumber/runtime.rb:39:in
run!'* */var/lib/gems/1.8/gems/cucumber-0.9.4/bin/../lib/cucumber/cli/main.rb:48:in execute!’

/var/lib/gems/1.8/gems/cucumber-0.9.4/bin/…/lib/cucumber/cli/main.rb:21:in
execute'* */var/lib/gems/1.8/gems/cucumber-0.9.4/bin/cucumber:8* */var/lib/gems/1.8/bin/cucumber:19:in load’

/var/lib/gems/1.8/bin/cucumber:19
*
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Please I have become helpless…please help me as soon as possible.
*
*
But web-driver can work better.


Thanks,
Irfan A. Rizvi (Sagar)

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+880 1676 246 991
+880 1723 712 888

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