cannot load such file -- htmlentities

[fernabel]

Im trying to install the plugin but I get the following:
C:\Bitnami\redmine-2.5.2-2\apps\redmine\htdocs>rake redmine:plugins:migrate RAIL
S_ENV=production --trace
** Invoke redmine:plugins:migrate (first_time)
** Invoke environment (first_time)
** Execute environment
rake aborted!
cannot load such file -- htmlentities

And my gem list:
actionmailer (4.1.5)
actionpack (4.1.5)
actionview (4.1.5)
activemodel (4.1.5)
activerecord (4.1.5)
activerecord-deprecated_finders (1.0.3)
activesupport (4.1.5)
akami (1.2.0)
ansi (1.4.3)
arel (5.0.1.20140414130214)
atomic (1.1.14)
aws-sdk (1.8.3.1)
bigdecimal (1.2.0)
builder (3.1.4)
bundler (1.7.0)
coffee-rails (4.0.1)
coffee-script (2.2.0)
coffee-script-source (1.6.2)
crack (0.3.1)
daemons (1.1.8)
diff-lcs (1.1.3)
erubis (2.7.0)
eventmachine (1.0.0)
execjs (1.4.0)
gyoku (0.4.6)
hike (1.2.3)
hoe (3.0.6)
hpricot (0.8.5)
htmlentities (4.3.3)
httparty (0.8.3)
i18n (0.6.9)
iconv (1.0.3)
io-console (0.4.2)
jbuilder (2.0.7, 1.4.2)
journey (1.0.4)
jquery-rails (3.0.4)
json (1.8.0, 1.7.7)
mail (2.5.4)
mime-types (1.23)
mini_magick (3.4)
mini_portile (0.6.0)
minitest (5.3.3, 4.3.2)
multi_json (1.3.6)
multi_xml (0.5.1)
mustache (0.99.4)
mysql2 (0.3.16 x86-mingw32, 0.2.18)
nokogiri (1.6.2.1 x86-mingw32, 1.5.9 x86-mingw32)
pg (0.16.0 x86-mingw32)
polyglot (0.3.3)
psych (2.0.0)
rack (1.5.2)
rack-cache (1.2)
rack-mount (0.8.3)
rack-ssl (1.3.2)
rack-test (0.6.2)
rails (4.1.5)
railties (4.1.5)
rake (10.1.1, 10.1.0, 0.9.6, 0.9.2.2)
rake-compiler (0.8.1)
rdiscount (1.6.8)
rdoc (4.0.0, 3.12.2)
rmagick (2.13.2 x86-mingw32)
ronn (0.7.3)
rspec (2.11.0)
rspec-core (2.11.1)
rspec-expectations (2.11.2)
rspec-mocks (2.11.1)
rubygems-update (2.3.0)
rvm (1.11.3.5)
sass (3.2.9)
sass-rails (4.0.3, 4.0.1)
sdoc (0.4.0, 0.3.20)
spring (1.1.2)
sprockets (2.10.0, 2.4.5, 2.2.1)
sprockets-rails (2.0.1)
sqlite3 (1.3.8 x86-mingw32)
sqlite3-ruby (1.3.2 x86-mingw32)
subexec (0.2.2)
test-unit (2.0.0.0)
thin (1.5.1)
thor (0.18.1)
thread_safe (0.1.0)
tilt (1.4.1)
treetop (1.4.14)
turbolinks (1.2.0)
turn (0.9.6)
tzinfo (1.1.0)
tzinfo-data (1.2014.2)
uglifier (2.1.1)
uuidtools (2.1.3)

[646b]

Please try to execute these commands inside redmine directory:

bundle install
bundle exec rake redmine:plugins:migrate RAILS_ENV=production --trace