Redmine

hello after update of my redmine from Windows server to linux server when i try to access "activité" i got the error

Started GET "/projects/dpt/activity" for 10.1.13.15 at 2014-05-13 16:02:11 +0000
Processing by ActivitiesController#index as HTML
Parameters: {"id"=>"dpt"}
Current user: admin (id=1)
Completed 500 Internal Server Error in 36ms

NameError (uninitialized constant Redmine::Acts::ActivityProvider::InstanceMethods::ClassMethods::ARCondition):
lib/redmine/activity/fetcher.rb:76:in `block (2 levels) in events'
lib/redmine/activity/fetcher.rb:75:in `each'
lib/redmine/activity/fetcher.rb:75:in `block in events'
lib/redmine/activity/fetcher.rb:74:in `each'
lib/redmine/activity/fetcher.rb:74:in `events'
app/controllers/activities_controller.rb:41:in `index'

in the update phase some plugins can't be updated below the list of OK and NOK update plugins

Plugins OK :

drwxr-xr-x 3 root web 4096 8 mai 15:00 acts_as_activity_provider
drwxr-xr-x 3 root web 4096 8 mai 15:00 acts_as_attachable
drwxr-xr-x 3 root web 4096 8 mai 14:59 acts_as_event
drwxr-xr-x 4 root web 4096 8 mai 14:59 acts_as_list
drwxr-xr-x 3 root web 4096 8 mai 14:58 acts_as_searchable
drwxr-xr-x 4 root web 4096 8 mai 14:58 acts_as_tree
drwxr-xr-x 4 root web 4096 8 mai 14:58 acts_as_versioned
drwxr-xr-x 3 root web 4096 8 mai 14:58 acts_as_watchable
drwxr-xr-x 4 root web 4096 8 mai 14:57 classic_pagination
drwxr-xr-x 4 root web 4096 8 mai 14:56 coderay-0.7.6.227
drwxr-xr-x 4 root web 4096 8 mai 14:55 gravatar
drwxr-xr-x 6 root web 4096 8 mai 14:55 open_flash_chart
drwxr-xr-x 4 root web 4096 8 mai 14:54 redmine_auto_complete
drwxr-xr-x 4 root web 4096 8 mai 14:52 rfpdf

Plugins NOK :

gloc-1.1.0
engines
awesome_nested_set
acts_as_customizable
actionwebservice
timesheet_plugin
redmine_issues_group
redmine_charts

my configuration:

Environment:
Redmine version 2.1.0.stable
Ruby version 1.9.3 (i686-linux)
Rails version 3.2.8
Environment production
Database adapter Mysql2
Redmine plugins:
no plugin installed (i didn't understand why it tell no plugins installed)

thnw for your help