Installation not complete / crontab error

hello,

I have the following error when I run sudo gitlab-ctl reconfigure. I didn't find how to fix it.

Recipe: gitlab::cron
  * cron[gitlab-ci schedule builds] action delete
================================================================================
Error executing action `delete` on resource 'cron[gitlab-ci schedule builds]'
================================================================================

ArgumentError
-------------
invalid byte sequence in UTF-8

Resource Declaration:
---------------------
# In /opt/gitlab/embedded/cookbooks/gitlab/recipes/cron.rb

 18: cron 'gitlab-ci schedule builds' do
 19:   minute node['gitlab']['gitlab-ci']['schedule_builds_minute']
 20:   command '/opt/gitlab/bin/gitlab-ci-rake schedule_builds'
 21:   action node['gitlab']['gitlab-ci']['enable'] ? :create : :delete
 22: end

Compiled Resource:
------------------
# Declared in /opt/gitlab/embedded/cookbooks/gitlab/recipes/cron.rb:18:in `from_file'

cron("gitlab-ci schedule builds") do
  action [:delete]
  retries 0
  retry_delay 2
  guard_interpreter :default
  minute "0"
  hour "*"
  day "*"
  month "*"
  weekday "*"
  command "/opt/gitlab/bin/gitlab-ci-rake schedule_builds"
  user "root"
  cookbook_name :gitlab
  recipe_name "cron"
end

Running handlers:
[2015-01-11T15:06:55+01:00] ERROR: Running exception handlers
Running handlers complete

[2015-01-11T15:06:55+01:00] ERROR: Exception handlers complete
[2015-01-11T15:06:55+01:00] FATAL: Stacktrace dumped to /opt/gitlab/embedded/cookbooks/cache/chef-stacktrace.out
Chef Client failed. 1 resources updated in 1.217843209 seconds
[2015-01-11T15:06:55+01:00] ERROR: cron[gitlab-ci schedule builds] (gitlab::cron line 18) had an error: ArgumentError: invalid byte sequence in UTF-8
[2015-01-11T15:06:55+01:00] FATAL: Chef::Exceptions::ChildConvergeError: Chef run process exited unsuccessfully (exit code 1)