Redmine

After a long inactivity, I can not login to redmine
receive an error Web application could not be started

/usr/lib64/ruby/gems/2.0.0/gems/passenger-4.0.18/lib/phusion_passenger/preloader_shared_helpers.rb:99:in `initialize': No such file or directory - "/tmp/passenger.1.0.13565/generation-1/backends/preloader.20195" (Errno::ENOENT)
    from /usr/lib64/ruby/gems/2.0.0/gems/passenger-4.0.18/lib/phusion_passenger/preloader_shared_helpers.rb:99:in `new'
    from /usr/lib64/ruby/gems/2.0.0/gems/passenger-4.0.18/lib/phusion_passenger/preloader_shared_helpers.rb:99:in `run_main_loop'
    from /usr/lib64/ruby/gems/2.0.0/gems/passenger-4.0.18/helper-scripts/rack-preloader.rb:151:in `<module:App>'
    from /usr/lib64/ruby/gems/2.0.0/gems/passenger-4.0.18/helper-scripts/rack-preloader.rb:29:in `<module:PhusionPassenger>'
    from /usr/lib64/ruby/gems/2.0.0/gems/passenger-4.0.18/helper-scripts/rack-preloader.rb:28:in `<main>'

After restart apache i can login again

Environment:
  Redmine version                2.4.2.stable
  Ruby version                   2.0.0-p247 (2013-06-27) [x86_64-linux]
  Rails version                  3.2.16
  Environment                    production
  Database adapter               Mysql2