From e8c208395d93ff3a52f336b5268aaea730d55d02 Mon Sep 17 00:00:00 2001
From: Kyzentun <kyzentun@gmail.com>
Date: Sat, 29 Nov 2014 12:59:51 -0700
Subject: [PATCH] Fixed DeltaSeconds actor in timed courses to check whether
 the pref for the delta exists.

---
 Themes/default/Graphics/ScreenGameplay DeltaSeconds.lua | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/Themes/default/Graphics/ScreenGameplay DeltaSeconds.lua b/Themes/default/Graphics/ScreenGameplay DeltaSeconds.lua
index 9bdf5d30ec..5fb8b287d6 100644
--- a/Themes/default/Graphics/ScreenGameplay DeltaSeconds.lua	
+++ b/Themes/default/Graphics/ScreenGameplay DeltaSeconds.lua	
@@ -8,9 +8,12 @@ local t = LoadFont("ScreenGameplay","RemainingTime") .. {
 		if params.Player == PlayerNumber then
 			if params.TapNoteScore then
 				local tns = ToEnumShortString(params.TapNoteScore)
-				self:playcommand( "GainSeconds" );
-				self:playcommand( tns );
-				self:settextf( "%+1.1fs", PREFSMAN:GetPreference( string.format("TimeMeterSecondsChange%s", tns) ) );
+				local prefname= ("TimeMeterSecondsChange%s"):format(tns)
+				if PREFSMAN:PreferenceExists(prefname) then
+					self:playcommand( "GainSeconds" );
+					self:playcommand( tns );
+					self:settextf( "%+1.1fs", PREFSMAN:GetPreference(prefname) );
+				end
 			else
 				return
 			end