plugins/redmine_knowledgebase/init.rb:9:in `<top (required)>': undefined method `to_prepare' for ActionDispatch::Reloader:Class (NoMethodError)
Did you mean? to_param
solution
init.rb (line 9)
`ActionDispatch::Reloader.to_prepare` Instead of `ActiveSupport::Reloader.to_prepare`
in rails 5.1+
solution