Hi, i have a 404 error when I copy 2 or more issues. The error occurs when the Agile module is enabled in the project. 
The same error occurs in demo.redmineup.com

System version:
Redmine version 4.1.1.stable
Ruby version 2.5.8-p224 (2020-03-31) [x86_64-linux]
Rails version 5.2.4.2

Plugin version:  
Redmine Agile plugin(PRO version) 1.5.3

Production.log:

Started POST "/issues/bulk_update" for 192.168.1.157 at 2020-06-16 15:07:39 +0000
Processing by IssuesController#bulk_update as HTML
  Parameters: {"utf8"=>"вњ“", "authenticity_token"=>"AR+JGk8Wu5aLM4wNUPF8J/YYaSW8RwJ/6/0NMhfRnk+3cNW45+BGgnuJSq3JEzb8D2NAqrxtuNh03cQGC2lLdA==", "ids"=>["24", "25"], "issue"=>{"project_id"=>"", "tracker_id"=>"", "priority_id"=>"", "assigned_to_id"=>"", "category_id"=>"", "fixed_version_id"=>"", "is_private"=>"", "parent_issue_id"=>"", "start_date"=>"", "due_date"=>"", "estimated_hours"=>"", "done_ratio"=>""}, "link_copy"=>"1", "notes"=>"", "copy"=>"1", "commit"=>"Copy"}
  Current user: user (id=1)
Completed 404 Not Found in 42ms (ActiveRecord: 5.2ms)
  
ActiveRecord::RecordNotFound (Couldn't find Issue without an ID):
  
plugins/redmine_agile/lib/redmine_agile/hooks/controller_issue_hook.rb:37:in `add_agile_journal_details'
plugins/redmine_agile/lib/redmine_agile/hooks/controller_issue_hook.rb:29:in `controller_issues_bulk_edit_before_save'
lib/redmine/hook.rb:63:in `block (2 levels) in call_hook'
lib/redmine/hook.rb:63:in `each'
lib/redmine/hook.rb:63:in `block in call_hook'
lib/redmine/hook.rb:60:in `tap'
lib/redmine/hook.rb:60:in `call_hook'
lib/redmine/hook.rb:93:in `call_hook'
app/controllers/issues_controller.rb:351:in `block in bulk_update'
app/controllers/issues_controller.rb:336:in `each'
app/controllers/issues_controller.rb:336:in `bulk_update'
lib/redmine/sudo_mode.rb:65:in `sudo_mode'
plugins/redmine_dmsf/lib/redmine_dmsf/webdav/custom_middleware.rb:60:in `call'