Error opening timesheet page

[igor-panassiouk]

Error message trying to open timesheet page:

Internal error

An error occurred on the page you were trying to access.
If you continue to experience problems please contact your Redmine administrator for assistance.

production.log messages:

Started GET "/timesheet/index"
Processing by TimesheetController#index as HTML
Current user:
Completed 500 Internal Server Error in 11ms

NoMethodError (undefined method new' for Timesheet:Module): plugins/redmine_timesheet_plugin/app/controllers/timesheet_controller.rb:22:inindex'

System config:

Environment:
Redmine version 2.3.0.stable
Ruby version 1.9.3 (x86_64-linux)
Rails version 3.2.13
Environment production
Database adapter Mysql2

and many plugins

[hishammalik]

Timesheet is not a module, but a model. So it seems like there is a naming conflict between plugins you are using. Try disabling all (or some plugins), and try again.