fixed bug in initial configuration

functions.lua

@@ -2693,8 +2693,10 @@ yl_speak_up.input_talk = function(player, formname, fields)
 		local dialog = yl_speak_up.speak_to[pname].dialog
 		local d_id = yl_speak_up.speak_to[pname].d_id
 		local count = 0
-		for k,v in pairs(dialog) do
-			count = count + 1
+		if(dialog and dialog.n_dialogs) then
+			for k,v in pairs(dialog.n_dialogs) do
+				count = count + 1
+			end
 		end
 		-- give the NPC its first dialog
 		if(not(dialog) or count==0) then