Redmine

Started GET "/issues/13414.pdf" for 1.1.1.1 at 2014-03-06 15:11:11 +0100
Processing by IssuesController#show as PDF
  Parameters: {"id"=>"13414"}
  Current user: eo (id=122)
Completed 500 Internal Server Error in 174.0ms

NameError (uninitialized constant PDFPatch::InstanceMethods::ITCPDF):
  app/controllers/issues_controller.rb:129:in `block (2 levels) in show'
  app/controllers/issues_controller.rb:121:in `show'

# ruby ./script/about -e production
Environment:
  Redmine version                2.4.0.stable.12309
  Ruby version                   1.9.3-p327 (2012-11-10) [i686-linux]
  Rails version                  3.2.15
  Environment                    production
  Database adapter               Mysql2
SCM:
  Subversion                     1.6.11
  Git                            1.7.1
  Filesystem                     
Redmine plugins:
  multi_time_tracker             0.1.1
  projects_table                 0.0.4
  redmine_better_gantt_chart     0.9.0
  redmine_drafts                 0.2.0
  redmine_equipment_status_viewer 1.0.1
  redmine_fields_permissions     1.0.0
  redmine_hide_estimated_hours   1.0.4
  redmine_lightbox               0.0.1
  redmine_monitoring_controlling 0.1.1
  redmine_plugin_views_revisions 0.0.1
  redmine_timesheet_plugin       0.7.0
  redmine_xls_export             0.2.1.t4