Error init middleman

Hi, when i try init middleman example , console error:

/Users/manu/.rvm/rubies/ruby-2.1.2/lib/ruby/site_ruby/2.1.0/rubygems/specification.rb:2099:in `raise_if_conflicts': Unable to activate middleman-more-3.0.13, because middleman-core-3.3.4 conflicts with middleman-core (= 3.0.13), i18n-0.6.11 conflicts with i18n (< 0.6.2, ~> 0.6.0), padrino-helpers-0.12.2 conflicts with padrino-helpers (= 0.10.7) (Gem::ConflictError)
from /Users/manu/.rvm/rubies/ruby-2.1.2/lib/ruby/site_ruby/2.1.0/rubygems/specification.rb:1282:in `activate'
from /Users/manu/.rvm/rubies/ruby-2.1.2/lib/ruby/site_ruby/2.1.0/rubygems.rb:198:in `rescue in try_activate'
from /Users/manu/.rvm/rubies/ruby-2.1.2/lib/ruby/site_ruby/2.1.0/rubygems.rb:195:in `try_activate'
from /Users/manu/.rvm/rubies/ruby-2.1.2/lib/ruby/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb:126:in `rescue in require'
from /Users/manu/.rvm/rubies/ruby-2.1.2/lib/ruby/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb:39:in `require'
from /Users/manu/.rvm/gems/ruby-2.1.2@global/gems/middleman-core-3.3.4/lib/middleman-core/extensions.rb:66:in `block in load_extensions_in_path'
from /Users/manu/.rvm/gems/ruby-2.1.2@global/gems/middleman-core-3.3.4/lib/middleman-core/extensions.rb:65:in `each'
from /Users/manu/.rvm/gems/ruby-2.1.2@global/gems/middleman-core-3.3.4/lib/middleman-core/extensions.rb:65:in `load_extensions_in_path'
from /Users/manu/.rvm/gems/ruby-2.1.2@global/gems/middleman-core-3.3.4/lib/middleman-core/load_paths.rb:39:in `setup_load_paths'
from /Users/manu/.rvm/gems/ruby-2.1.2@global/gems/middleman-core-3.3.4/bin/middleman:10:in `<top (required)>'
from /Users/manu/.rvm/rubies/ruby-2.1.2/bin/middleman:23:in `load'
from /Users/manu/.rvm/rubies/ruby-2.1.2/bin/middleman:23:in `<main>'
from /Users/manu/.rvm/gems/ruby-2.1.2/bin/ruby_executable_hooks:15:in `eval'
from /Users/manu/.rvm/gems/ruby-2.1.2/bin/ruby_executable_hooks:15:in `<main>'

Mac os 10.9.4 and Ruby ruby 2.1.2p95
GEM LIST

actionmailer (4.1.4)
actionpack (4.1.4, 4.1.2, 4.1.1)
actionview (4.1.4, 4.1.2, 4.1.1)
activemodel (4.1.4, 4.1.2, 4.1.1)
activerecord (4.1.4)
activerecord-deprecated_finders (1.0.3)
activesupport (4.1.4, 4.1.2, 4.1.1, 3.2.13)
addressable (2.3.6)
arel (5.0.1.20140414130214)
bcrypt (3.1.7)
bigdecimal (1.2.4)
blankslate (2.1.2.4)
bootstrap (0.0.1)
bootstrap-sass (3.2.0.1)
buftok (0.2.0)
builder (3.2.2)
bundler (1.6.2)
bundler-unload (1.0.2)
celluloid (0.16.0.pre3)
chunky_png (1.3.1)
classifier (1.3.4)
coffee-rails (4.0.1)
coffee-script (2.3.0, 2.2.0)
coffee-script-source (1.7.1, 1.3.3)
colorator (0.1)
commonjs (0.2.7)
compass (0.12.7)
compass-import-once (1.0.4)
devise (3.2.4)
em-websocket (0.5.1)
equalizer (0.0.9)
erubis (2.7.0)
eventmachine (1.0.3)
execjs (2.2.1, 1.4.0)
executable-hooks (1.3.2)
faraday (0.9.0)
fast-stemmer (1.0.2)
ffi (1.9.3)
font-awesome-less (4.1.0)
font-awesome-rails (4.1.0.0)
foundation-rails (5.3.0.1)
fssm (0.2.10)
gem-wrappers (1.2.4)
haml (4.1.0.beta.1)
hike (1.2.3)
hiredis (0.4.5)
hitimes (1.2.2)
hooks (0.4.0)
http (0.6.1)
http_parser.rb (0.6.0)
http_router (0.10.2)
i18n (0.6.11)
io-console (0.4.2)
jbuilder (2.1.3)
jekyll (2.2.0)
jekyll-coffeescript (1.0.0)
jekyll-date-format (1.0.1)
jekyll-gist (1.1.0)
jekyll-page-hooks (1.3.1)
jekyll-paginate (1.0.0)
jekyll-sass-converter (1.2.0)
jekyll-sitemap (0.5.1)
jekyll-watch (1.0.0)
jquery-rails (3.1.1)
json (1.8.1)
kramdown (1.4.1)
less (2.4.0)
libv8 (3.16.14.3 x86_64-darwin-13)
liquid (2.6.1)
listen (2.7.9)
mail (2.5.4)
maruku (0.6.1)
memoizable (0.4.2)
mercenary (0.3.4)
middleman (3.3.4)
middleman-core (3.3.4)
middleman-more (3.0.13)
middleman-sprockets (3.3.6)
mime-types (1.25.1)
minitest (5.4.0, 4.7.5)
multi_json (1.10.1)
multipart-post (2.0.0)
mysql2 (0.3.16)
naught (1.0.0)
orm_adapter (0.5.0)
padrino-helpers (0.12.2)
padrino-support (0.12.2)
parslet (1.5.0)
pg (0.17.1)
polyglot (0.3.5)
posix-spawn (0.3.9)
psych (2.0.5)
pygments.rb (0.6.0)
rack (1.5.2)
rack-livereload (0.3.15)
rack-protection (1.5.3)
rack-test (0.6.2)
rails (4.1.4)
rails_12factor (0.0.2)
rails_serve_static_assets (0.0.2)
rails_stdout_logging (0.0.3)
railties (4.1.4)
rake (10.3.2, 10.1.0)
rb-fsevent (0.9.4)
rb-inotify (0.9.5)
rdiscount (2.1.7.1)
rdoc (4.1.1, 4.1.0)
redcarpet (3.1.2)
RedCloth (4.2.9)
redis (3.0.4)
ref (1.0.5)
rubygems-bundler (1.4.4)
rubygems-update (2.4.1)
rubypants (0.2.0)
rvm (1.11.3.9)
safe_yaml (1.0.3)
sass (3.2.19)
sass-globbing (1.0.0)
sass-rails (4.0.3)
sdoc (0.4.0)
simple_oauth (0.2.0)
sinatra (1.4.5)
spring (1.1.3)
sprockets (2.12.1, 2.11.0)
sprockets-helpers (1.1.0)
sprockets-rails (2.1.3)
sprockets-sass (1.2.0)
sqlite3 (1.3.9)
stringex (1.4.0)
stylus (1.0.1)
stylus-source (0.42.2)
syntax (1.0.0)
test-unit (2.1.2.0)
therubyracer (0.12.1)
thor (0.19.1)
thread_safe (0.3.4)
tilt (1.4.1)
timers (4.0.0)
toml (0.1.1)
treetop (1.4.15)
turbolinks (2.2.2)
twitter (5.11.0)
tzinfo (1.2.2)
uber (0.0.8)
uglifier (2.5.3, 1.2.7)
url_mount (0.2.1)
warden (1.2.3)
yajl-ruby (1.1.0)

Thanks

Solved, uninstall all middleman, core, blog, more, sprockets … and reinstall, close terminal, restart computer. Thanks