Redmine

After migration from 4.1.5 to 4.2.7 everything works until ticket is open(viewed) or created. I can log time, create project, edit whatever, but I cant touch ticket. When i click ticket I get Internal server error with this in rm logfile:

F, [2022-07-30T17:35:08.289490 #5377] FATAL -- :   
F, [2022-07-30T17:35:08.289527 #5377] FATAL -- : ActionView::Template::Error (Tried to load unspecified class: ActiveSupport::HashWithIndifferentAccess):
F, [2022-07-30T17:35:08.289721 #5377] FATAL -- :     21: 
    22: <% if @issue.safe_attribute? 'assigned_to_id' %>
    23: <p>
    24:   <%= f.select :assigned_to_id, principals_options_for_select(@issue.assignable_users, @issue.assigned_to),
    25:                   :include_blank => true, :required => @issue.required_attribute?('assigned_to_id') %>
    26:   <% if @issue.assignable_users.include?(User.current) %>
    27:     <a class="assign-to-me-link<%= ' hidden' if @issue.assigned_to_id == User.current.id %>" href="#" data-id="<%= User.current.id %>"><%= l(:label_assign_to_me) %></a>
F, [2022-07-30T17:35:08.289761 #5377] FATAL -- :   
F, [2022-07-30T17:35:08.289793 #5377] FATAL -- : app/models/role.rb:233:in `permissions_all_trackers'

Environment:
  Redmine version                4.2.7.stable
  Ruby version                   2.7.6-p219 (2022-04-12) [x86_64-linux]
  Rails version                  5.2.8.1
  Environment                    production
  Database adapter               Mysql2
  Mailer queue                   ActiveJob::QueueAdapters::AsyncAdapter

This update was done along with Ruby2.6 to Ruby2.7 switch.