Redmine

After server restart suddenly all labels started to show in brackets {{author}}, {{count}}, {{value}} etc.
See screenshot.

No errors in logs.
Gems list:

• LOCAL GEMS ***

abstract (1.0.0)
actionmailer (3.0.3, 3.0.1, 2.3.9, 2.3.8, 2.3.5)
actionpack (3.0.3, 3.0.1, 2.3.9, 2.3.8, 2.3.5)
activemodel (3.0.3, 3.0.1)
activerecord (3.0.3, 3.0.1, 2.3.9, 2.3.8, 2.3.5)
activeresource (3.0.3, 3.0.1, 2.3.9, 2.3.8, 2.3.5)
activesupport (3.0.3, 3.0.1, 2.3.9, 2.3.8, 2.3.5)
acts_as_archive (0.2.5)
arel (2.0.6, 2.0.4, 1.0.1)
bcrypt-ruby (2.1.3, 2.1.2)
builder (2.1.2)
bundler (1.0.7, 1.0.3)
cancan (1.4.1, 1.4.0)
capistrano (2.5.19)
capistrano-ext (1.2.1)
daemon_controller (0.2.5)
devise (1.1.3, 1.1.2, 1.0.8)
diff-lcs (1.1.2)
erubis (2.6.6)
factory_girl (1.3.2)
fast_xs (0.7.3)
fastercsv (1.5.3)
fastthread (1.0.7)
file-tail (1.0.5)
formtastic (1.1.0)
highline (1.6.1)
i18n (0.5.0, 0.4.1)
jquery-rails (0.2.6, 0.2.5)
jrails (0.6.0)
json (1.4.6)
later_dude (0.3.1)
magic_encoding (0.0.2)
mail (2.2.13, 2.2.10, 2.2.7)
mime-types (1.16)
mocha (0.9.10)
mysql (2.8.1)
net-scp (1.0.4)
net-sftp (2.0.5)
net-ssh (2.0.23)
net-ssh-gateway (1.0.1)
newrelic_rpm (2.13.2)
paperclip (2.3.4)
passenger (3.0.0)
polyglot (0.3.1)
rack (1.2.1, 1.1.0, 1.0.1)
rack-mount (0.6.13)
rack-test (0.5.7, 0.5.6)
rails (3.0.3, 3.0.1, 2.3.9, 2.3.8, 2.3.5)
rails3-generators (0.17.0, 0.14.0)
railties (3.0.3, 3.0.1)
rake (0.8.7)
require (0.2.1)
rspec (2.4.0, 2.2.0)
rspec-core (2.4.0, 2.2.1)
rspec-expectations (2.4.0, 2.2.0)
rspec-mocks (2.4.0, 2.2.0)
rspec-rails (2.4.1, 2.2.0)
ruby-graphviz (0.9.20)
ruby-ole (1.2.11.1)
rubygems-update (1.4.1)
rubyzip (0.9.4)
russian (0.2.7)
simple-navigation (3.0.0)
simple_xlsx_writer (0.5.3)
spreadsheet (0.6.4.1)
spruz (0.1.5)
sqlite3-ruby (1.3.1)
state_machine (0.9.4)
thor (0.14.6, 0.14.3)
treetop (1.4.9, 1.4.8)
tzinfo (0.3.23)
version (0.9.2)
warden (1.0.1, 0.10.7)
will_paginate (2.3.15, 2.3.11)