Error when app starts

[USvER]

My app can't start with this error

/root/.rbenv/versions/1.9.3-p551/lib/ruby/gems/1.9.1/gems/active_shipping-1.12.1/lib/active_shipping.rb:9:in `require': /root/.rbenv/versions/1.9.3-p551/lib/ruby/gems/1.9.1/gems/active_shipping-1.12.1/lib/active_shipping/tracking_response.rb:106: unknown type of %string (SyntaxError)
      attributes = %i(carrier carrier_name status s...
                      ^
/root/.rbenv/versions/1.9.3-p551/lib/ruby/gems/1.9.1/gems/active_shipping-1.12.1/lib/active_shipping/tracking_response.rb:106: syntax error, unexpected $end
      attributes = %i(carrier carrier_name status s...
                      ^
        from /root/.rbenv/versions/1.9.3-p551/lib/ruby/gems/1.9.1/gems/active_shipping-1.12.1/lib/active_shipping.rb:9:in `<top (required)>'
        from /root/.rbenv/versions/1.9.3-p551/lib/ruby/gems/1.9.1/gems/bundler-1.14.6/lib/bundler/runtime.rb:91:in `require'
        from /root/.rbenv/versions/1.9.3-p551/lib/ruby/gems/1.9.1/gems/bundler-1.14.6/lib/bundler/runtime.rb:91:in `block (2 levels) in require'
        from /root/.rbenv/versions/1.9.3-p551/lib/ruby/gems/1.9.1/gems/bundler-1.14.6/lib/bundler/runtime.rb:86:in `each'
        from /root/.rbenv/versions/1.9.3-p551/lib/ruby/gems/1.9.1/gems/bundler-1.14.6/lib/bundler/runtime.rb:86:in `block in require'
        from /root/.rbenv/versions/1.9.3-p551/lib/ruby/gems/1.9.1/gems/bundler-1.14.6/lib/bundler/runtime.rb:75:in `each'
        from /root/.rbenv/versions/1.9.3-p551/lib/ruby/gems/1.9.1/gems/bundler-1.14.6/lib/bundler/runtime.rb:75:in `require'
        from /root/.rbenv/versions/1.9.3-p551/lib/ruby/gems/1.9.1/gems/bundler-1.14.6/lib/bundler.rb:107:in `require'
        from /media/sf_chief-fulfilment/config/application.rb:7:in `<top (required)>'
        from /root/.rbenv/versions/1.9.3-p551/lib/ruby/gems/1.9.1/gems/railties-3.2.13/lib/rails/commands.rb:53:in `require'
        from /root/.rbenv/versions/1.9.3-p551/lib/ruby/gems/1.9.1/gems/railties-3.2.13/lib/rails/commands.rb:53:in `block in <top (required)>'
        from /root/.rbenv/versions/1.9.3-p551/lib/ruby/gems/1.9.1/gems/railties-3.2.13/lib/rails/commands.rb:50:in `tap'
        from /root/.rbenv/versions/1.9.3-p551/lib/ruby/gems/1.9.1/gems/railties-3.2.13/lib/rails/commands.rb:50:in `<top (required)>'
        from script/rails:6:in `require'
        from script/rails:6:in `<main>'

This issue is present on all versions of the gem i tired up to active_shipping-1.7.3 Ruby version: ruby 1.9.3p551 Rails version: 3.2.13 Installed gems:

actionmailer (3.2.13)
actionpack (3.2.13)
active_shipping (1.12.1)
active_utils (3.3.0)
activemodel (3.2.13)
activerecord (3.2.13)
activerecord-postgresql-adapter (0.0.1)
activeresource (3.2.13)
activesupport (3.2.13)
addressable (2.4.0)
akami (1.3.1)
arel (3.0.3)
awesome_print (1.7.0)
bigdecimal (1.1.0)
blankslate (3.1.3)
builder (3.0.4)
bundler (1.14.6)
capybara (2.13.0)
chunky_png (1.3.8)
coderay (1.1.1)
coffee-rails (3.2.2)
coffee-script (2.4.1)
coffee-script-source (1.12.2)
compass (1.0.3)
compass-core (1.0.3)
compass-import-once (1.0.5)
compass-rails (3.0.2)
config_spartan (1.0.1)
cucumber (2.4.0)
cucumber-core (1.5.0)
cucumber-rails (1.4.5)
cucumber-wire (0.0.1)
curb (0.9.3)
daemons (1.2.4)
dalli (2.7.6)
database_cleaner (1.5.3)
diff-lcs (1.3)
docile (1.1.5)
email_spec (1.6.0)
erubis (2.7.0)
ethon (0.10.1)
eventmachine (1.2.3)
execjs (2.7.0)
factory_girl (4.8.0)
factory_girl_rails (4.8.0)
faraday (0.9.2)
ffaker (2.5.0)
ffi (1.9.18)
foreman (0.83.0)
formatador (0.2.5)
gherkin (4.1.1)
gli (2.16.0)
guard (2.14.1)
guard-compat (1.2.1)
guard-rspec (4.7.3)
gyoku (1.3.1)
haml (4.0.7)
haml-rails (0.4)
hashie (3.5.5)
hike (1.2.3)
hpricot (0.8.6)
httparty (0.14.0)
httpi (2.4.2)
i18n (0.6.1)
io-console (0.3)
journey (1.0.4)
jquery-rails (3.1.4)
json (1.8.6, 1.5.5)
jwt (1.5.1)
kaminari (0.17.0)
kgio (2.11.0)
launchy (2.4.3)
listen (3.0.8)
log4r (1.1.10)
lumberjack (1.0.11)
mail (2.5.4)
memcachier (0.0.2)
method_source (0.8.2)
mime-types (1.25.1)
mini_portile2 (2.1.0)
minitest (2.5.1)
multi_json (1.12.1)
multi_test (0.1.2)
multi_xml (0.6.0)
multipart-post (2.0.0)
nenv (0.3.0)
net-http-persistent (2.9.4)
nokogiri (1.6.8)
nori (2.6.0)
notiffany (0.1.1)
oauth2 (1.1.0)
oj (2.18.5)
omniauth (1.4.2)
omniauth-oauth2 (1.4.0)
omniauth-shopify-oauth2 (1.1.17)
parslet (1.7.1)
pg (0.18.4)
pkg-config (1.1.7)
polyglot (0.3.5)
pry (0.10.4)
pry-rails (0.3.6)
puma (3.8.2)
quantified (1.0.1)
quiet_assets (1.1.0)
rack (1.4.7)
rack-cache (1.7.0)
rack-cors (0.4.1)
rack-ssl (1.3.4)
rack-test (0.6.3)
rails (3.2.13)
railties (3.2.13)
raindrops (0.18.0)
rake (12.0.0, 0.9.2.2)
rb-fchange (0.0.6)
rb-fsevent (0.9.8)
rb-inotify (0.9.8)
rdoc (3.12.2, 3.9.5)
rspec (3.5.0)
rspec-core (3.5.4)
rspec-expectations (3.5.0)
rspec-mocks (3.5.0)
rspec-rails (3.5.2)
rspec-support (3.5.0)
ruby-filemagic (0.7.1)
ruby_parser (3.8.4)
rudelo (0.2.6)
rufus-dollar (1.0.4)
rufus-treechecker (1.0.8)
sass (3.4.23)
sass-rails (3.2.6)
savon (2.11.1)
sexp_processor (4.8.0)
shellany (0.0.1)
shopify_api (4.0.7)
shopify_app (6.0.6)
shopify_unlimited (0.1.0)
shopifydev (0.1.0)
shydra (0.4.2)
simple_form (2.1.3)
simplecov (0.14.1)
simplecov-html (0.10.0)
slop (3.6.0)
socksify (1.7.1)
sprockets (2.2.3)
term-ansicolor (1.3.2)
thin (1.7.0)
thor (0.19.4)
tilt (1.4.1)
tins (1.6.0)
treetop (1.4.15)
typhoeus (1.1.2)
tzinfo (0.3.53)
uglifier (3.1.10)
unicorn (5.2.0)
wasabi (3.5.0)
xpath (2.0.0)
zeus (0.15.13)
zurb-foundation (4.3.2)