On project page: No method Error "public"
Created by: boyander
After upgrading to 6.3.1 the following issue appears when accessing to project page:
NoMethodError (undefined method `public?' for #<Project:0x0000000845a828>):
app/models/ability.rb:74:in `project_abilities'
app/models/ability.rb:9:in `allowed'
app/controllers/application_controller.rb:65:in `can?'
app/controllers/application_controller.rb:82:in `project'
app/controllers/application_controller.rb:54:in `set_current_user_for_thread'