Redmine

Hi everyone,

I'm new into Ruby/rails world and Redmine. I'm trying to deploy and configure redmine for my projects. Installation is OK but when I install every single plugin I've an internal error .. I checked the folder name, he's OK, I checked github issues too.

My logs :

ActionView::Template::Error (Missing partial hooks/_base_head with {:locale=>[:fr, :en], :formats=>[:html], :variants=>[], :handlers=>[:erb, :builder, :raw, :ruby, :rsb]}. Searched in:
  * "/usr/share/redmine/app/views" 
):
    13: <%= stylesheet_link_tag 'rtl', :media => 'all' if l(:direction) == 'rtl' %>
    14: <%= javascript_heads %>
    15: <%= heads_for_theme %>
    16: <%= call_hook :view_layouts_base_html_head %>
    17: <!-- page specific tags -->
    18: <%= yield :header_tags -%>
    19: </head>
  lib/redmine/hook/view_listener.rb:59:in `block (2 levels) in render_on'
  lib/redmine/hook/view_listener.rb:57:in `map'
  lib/redmine/hook/view_listener.rb:57:in `block in render_on'
  lib/redmine/hook.rb:61:in `block (2 levels) in call_hook'
  lib/redmine/hook.rb:61:in `each'
  lib/redmine/hook.rb:61:in `block in call_hook'
  lib/redmine/hook.rb:58:in `tap'
  lib/redmine/hook.rb:58:in `call_hook'
  lib/redmine/hook.rb:96:in `call_hook'
  app/views/layouts/base.html.erb:16:in `_app_views_layouts_base_html_erb__4449588612264819497_43138540'
  app/controllers/application_controller.rb:470:in `block (2 levels) in render_error'
  app/controllers/application_controller.rb:468:in `render_error'
  app/controllers/application_controller.rb:456:in `render_404'
  app/controllers/application_controller.rb:480:in `missing_template'

Informations:

Environment:
  Redmine version                3.2.1.stable
  Ruby version                   2.3.1-p112 (2016-04-26) [x86_64-linux-gnu]
  Rails version                  4.2.6
  Environment                    production
  Database adapter               Mysql2
SCM:
  Git                            2.7.4
  Filesystem                     
Redmine plugins:
  no plugin installed

I searched on google, found some posts but nothing worked for me.
I really need your heal because I just started learn rails the last week :/

Thanks in advance,

Best regards,

Alex