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I, [2023-10-18T13:48:03.504443 #8460]  INFO -- : [b82595d7-5eae-4157-aeb7-9ad84413a88c] Started GET "/redmine/issues/gantt" for 192.168.19.6 at 2023-10-18 13:48:03 +0800
I, [2023-10-18T13:48:03.505632 #8460]  INFO -- : [b82595d7-5eae-4157-aeb7-9ad84413a88c] Processing by GanttsController#show as HTML
I, [2023-10-18T13:48:03.513234 #8460]  INFO -- : [b82595d7-5eae-4157-aeb7-9ad84413a88c]   Current user: molin (id=1)
I, [2023-10-18T13:48:03.550725 #8460]  INFO -- : [b82595d7-5eae-4157-aeb7-9ad84413a88c]   Rendered gantts/show.html.erb within layouts/base (Duration: 27.8ms | Allocations: 14886)
I, [2023-10-18T13:48:03.550992 #8460]  INFO -- : [b82595d7-5eae-4157-aeb7-9ad84413a88c]   Rendered layout layouts/base.html.erb (Duration: 28.1ms | Allocations: 14923)
I, [2023-10-18T13:48:03.551395 #8460]  INFO -- : [b82595d7-5eae-4157-aeb7-9ad84413a88c] Completed 500 Internal Server Error in 46ms (ActiveRecord: 12.9ms | Allocations: 19856)
F, [2023-10-18T13:48:03.552704 #8460] FATAL -- : [b82595d7-5eae-4157-aeb7-9ad84413a88c]   
[b82595d7-5eae-4157-aeb7-9ad84413a88c] ActionView::Template::Error (undefined method `-@' for Sun, 01 Oct 2023:Date):
[b82595d7-5eae-4157-aeb7-9ad84413a88c]     132: 
[b82595d7-5eae-4157-aeb7-9ad84413a88c]     133:   # Width of the entire chart
[b82595d7-5eae-4157-aeb7-9ad84413a88c]     134:   g_width = ((@gantt.date_to - @gantt.date_from + 1) * zoom).to_i
[b82595d7-5eae-4157-aeb7-9ad84413a88c]     135:   @gantt.render(:top => headers_height + 8,
[b82595d7-5eae-4157-aeb7-9ad84413a88c]     136:                 :zoom => zoom,
[b82595d7-5eae-4157-aeb7-9ad84413a88c]     137:                 :g_width => g_width,
[b82595d7-5eae-4157-aeb7-9ad84413a88c]     138:                 :subject_width => subject_width)
[b82595d7-5eae-4157-aeb7-9ad84413a88c]   
[b82595d7-5eae-4157-aeb7-9ad84413a88c] lib/redmine/helpers/gantt.rb:639:in `coordinates'
[b82595d7-5eae-4157-aeb7-9ad84413a88c] lib/redmine/helpers/gantt.rb:370:in `line'
[b82595d7-5eae-4157-aeb7-9ad84413a88c] lib/redmine/helpers/gantt.rb:310:in `line_for_project'
[b82595d7-5eae-4157-aeb7-9ad84413a88c] lib/redmine/helpers/gantt.rb:274:in `render_object_row'
[b82595d7-5eae-4157-aeb7-9ad84413a88c] lib/redmine/helpers/gantt.rb:232:in `render_project'
[b82595d7-5eae-4157-aeb7-9ad84413a88c] lib/redmine/helpers/gantt.rb:221:in `block in render'
[b82595d7-5eae-4157-aeb7-9ad84413a88c] app/models/project.rb:961:in `block in project_tree'
[b82595d7-5eae-4157-aeb7-9ad84413a88c] app/models/project.rb:956:in `each'
[b82595d7-5eae-4157-aeb7-9ad84413a88c] app/models/project.rb:956:in `project_tree'
[b82595d7-5eae-4157-aeb7-9ad84413a88c] lib/redmine/helpers/gantt.rb:219:in `render'
[b82595d7-5eae-4157-aeb7-9ad84413a88c] app/views/gantts/show.html.erb:135
[b82595d7-5eae-4157-aeb7-9ad84413a88c] app/controllers/gantts_controller.rb:43:in `block (2 levels) in show'
[b82595d7-5eae-4157-aeb7-9ad84413a88c] app/controllers/gantts_controller.rb:42:in `show'
[b82595d7-5eae-4157-aeb7-9ad84413a88c] lib/redmine/sudo_mode.rb:61:in `sudo_mode'