wrong number of arguments (1 for 0) in 5.3.0

Created by: kenips

Just finishing the upgrade and seeing this in log. check reports everything OK. Will update when I have more information...

ArgumentError (wrong number of arguments (1 for 0)):
app/models/concerns/issuable.rb:27:in `block (2 levels) in <module:Issuable>'
app/contexts/merge_requests_load_context.rb:12:in `execute'
app/controllers/merge_requests_controller.rb:19:in `index'