TemplateError

[p0l0us]

Hi, I just tried workload plugin. Its giving me this error when trying acces workload page:

ActionView::TemplateError (undefined method `category_id' for nil:NilClass) on line #47 of vendor/plugins/redmine_workload/app/views/workload/inc_timetable_task.html.erb: 44: %> SELECTED <% 45: end 46: %>>7/8</OPTION> 47: </SELECT> [<%= @category_list[issue.category_id] %>] <%= @project_list[issue.project_id] %> 48: #<%= issue.id %>. "<%= issue.subject %>" (<%= @status_list[issue.status_id] %>)

vendor/plugins/redmine_workload/app/views/workload/inc_timetable_task.html.erb:47
vendor/plugins/redmine_workload/app/views/workload/timetable.html.erb:56
vendor/plugins/redmine_workload/app/views/workload/timetable.html.erb:53:in `each'
vendor/plugins/redmine_workload/app/views/workload/timetable.html.erb:53
passenger (2.2.9) lib/phusion_passenger/rack/request_handler.rb:92:in `process_request'
passenger (2.2.9) lib/phusion_passenger/abstract_request_handler.rb:207:in `main_loop'

Do anyone know howto fix it ? Redmine 0.9.4 (svn version)

Thanks...