TH parallel compilation error sample

gistfile1.txt

/home/osense/eai/confy/server/src/Confy/Controllers/Messages.hs:564:17: error:
    • Found hole:
        _controller_entry_conferences_fast_list :: Controller OutType
      Or perhaps ‘_controller_entry_conferences_fast_list’ is mis-spelled, or not in scope
    • In the expression: _controller_entry_conferences_fast_list
      In the expression:
        ("entry.conferences-fast-list", 
         _controller_entry_conferences_fast_list)
      In the expression:
        ([("invite.send-message", _controller_invite_send_message),
          ("send-decision-and-reviews", 
           _controller_send_decision_and_reviews),
          ("decision-emails-lists", _controller_decision_emails_lists),
          ("decision-emails-recipients", 
           _controller_decision_emails_recipients),
          ("preview-decision-email", _controller_preview_decision_email),
          ....])
[133 of 139] Compiling Confy.Proceedings.ACM ( src/Confy/Proceedings/ACM.hs, .stack-work/dist/x86_64-linux-tinfo6/Cabal-2.2.0.1/build/confy/confy-tmp/Confy/Proceedings/ACM.o )
    • Relevant bindings include
        controllers :: [ControllerRoute]
          (bound at src/Confy/Controllers/Messages.hs:564:1)
      Valid substitutions include
        _controller_decision_emails_lists :: RequestHandler
          (defined at src/Confy/Controllers/Messages.hs:513:1)
        _controller_decision_emails_recipients :: RequestHandler
          (defined at src/Confy/Controllers/Messages.hs:504:1)
        _controller_invite_get_defer_message :: RequestHandler
          (defined at src/Confy/Controllers/Messages.hs:446:1)
        _controller_invite_get_message :: RequestHandler
          (defined at src/Confy/Controllers/Messages.hs:415:1)
        _controller_invite_send_message :: RequestHandler
          (defined at src/Confy/Controllers/Messages.hs:536:1)
        _controller_preview_decision_email :: RequestHandler
          (defined at src/Confy/Controllers/Messages.hs:495:1)
        (Some substitutions suppressed; use -fmax-valid-substitutions=N or -fno-max-valid-substitutions)
    |
564 | controllers = $(getControllers)