TypeError: Error #1009: Cannot access a property or method of a null object reference.
	at ru.crazybit.socexp.model.wrappers.quest::RequirementQuest/onQuestDone()[C:\Users\u.barhatov\lostspace\socexp\src\ru\crazybit\socexp\model\wrappers\quest\RequirementQuest.as:148]
	at org.osflash.signals::Signal/dispatch()[/Users/snt/Workspaces/sof_client/as3-signals/src/org/osflash/signals/Signal.as:156]
	at ru.crazybit.socexp.model.proxy::QuestProxy/processQuestFinish()[C:\Users\u.barhatov\lostspace\socexp\src\ru\crazybit\socexp\model\proxy\QuestProxy.as:469]
	at ru.crazybit.socexp.model.proxy::QuestProxy/validate()[C:\Users\u.barhatov\lostspace\socexp\src\ru\crazybit\socexp\model\proxy\QuestProxy.as:382]
	at ru.crazybit.socexp.model.proxy::QuestProxy/onOneSec()[C:\Users\u.barhatov\lostspace\socexp\src\ru\crazybit\socexp\model\proxy\QuestProxy.as:354]
	at org.osflash.signals::Signal/dispatch()[/Users/snt/Workspaces/sof_client/as3-signals/src/org/osflash/signals/Signal.as:148]
	at ru.crazybit.socexp.common::GameTimer/nextFrame()[C:\Users\u.barhatov\lostspace\socexp\src\ru\crazybit\socexp\common\GameTimer.as:75]
	at ru.crazybit.socexp::Game/handler_enterFrame()[C:\Users\u.barhatov\lostspace\socexp\src\ru\crazybit\socexp\Game.as:758]
	at starling.events::EventDispatcher/invokeEvent()[C:\Users\u.barhatov\lostspace\starling\src\starling\events\EventDispatcher.as:140]
	at starling.events::LoggerEventDispatcher/invokeEvent()[C:\Users\u.barhatov\lostspace\starling\src\starling\events\LoggerEventDispatcher.as:69]
	at starling.events::EventDispatcher/dispatchEvent()[C:\Users\u.barhatov\lostspace\starling\src\starling\events\EventDispatcher.as:112]
	at starling.events::LoggerEventDispatcher/dispatchEvent()[C:\Users\u.barhatov\lostspace\starling\src\starling\events\LoggerEventDispatcher.as:59]
	at starling.display::DisplayObjectContainer/broadcastEvent()[C:\Users\u.barhatov\lostspace\starling\src\starling\display\DisplayObjectContainer.as:375]
	at starling.display::Stage/advanceTime()[C:\Users\u.barhatov\lostspace\starling\src\starling\display\Stage.as:77]
	at starling.core::Starling/advanceTime()[C:\Users\u.barhatov\lostspace\starling\src\starling\core\Starling.as:382]
	at starling.core::Starling/nextFrame()[C:\Users\u.barhatov\lostspace\starling\src\starling\core\Starling.as:371]
	at starling.core::Starling/onEnterFrame()[C:\Users\u.barhatov\lostspace\starling\src\starling\core\Starling.as:570]