Установка Redmine на Ubuntu 16.04 с помощью nginx

Я попытался установить Redmine 3.2.2 (последняя версия) на сервере Ubuntu 16.04 с помощью nginx. Потом я встретил несколько ошибок для установки Redmine. Может ли кто-нибудь помочь мне решить эту проблему?

Setting up redmine (3.2.1-2) ...
Determining localhost credentials from /etc/mysql/debian.cnf: succeeded.
Bundler could not find compatible versions for gem "railties":
  In Gemfile:
    actionpack-xml_parser was resolved to 2.0.0, which depends on
      railties (~> 5.x)

    jquery-rails (~> 4.0) was resolved to 4.0.0, which depends on
      railties (< 5.0, >= 4.2.0.beta)

    rails (~> 4.2.5) was resolved to 4.2.5, which depends on
      railties (= 4.2.5)

    roadie-rails was resolved to 1.1.1, which depends on
      railties (< 5.1, >= 3.0)
dpkg: error processing package redmine (--configure):
 subprocess installed post-installation script returned error exit status 6
Errors were encountered while processing:
 redmine
E: Sub-process /usr/bin/dpkg returned an error code (1)