Hack: stop lua error and crash on "fixing".

v can't be concatenated: it's a boolean.
Anyone more versed in lua want to take a look?

Themes/_fallback/Scripts/05 ScoringEngine2.lua

@@ -48,8 +48,9 @@ function InitScoreKeepers(p1Mode, p2Mode)
 	for k,v in pairs(intab) do
 		if not ScoringModes[v] then
 			--SPOILER: UndocumentedFeature crashes the game intentionally.
-			UndocumentedFeature(k.."'s scoring mode \""..v.."\" doesn't exist.")
-		end
+			-- UndocumentedFeature(k.."'s scoring mode \""..v.."\" doesn't exist.")
+			-- UndocumentedFeature(k.."'s scoring mode doesn't exist.")
+		else
 			ReadiedScoreKeepers[k] = coroutine.create(ScoringModes[v])
 			--call each scoring mode one time in init mode
 			checks={coroutine.resume(ReadiedScoreKeepers[k],nil,STATSMAN:GetCurStageStats():GetPlayerStageStats("PlayerNumber_"..k), "PlayerNumber_"..k, "init")}
@@ -75,6 +76,7 @@ function InitScoreKeepers(p1Mode, p2Mode)
 				end
 			end
 		end
+	end
 	return true
 end