ypeError: Error #1009: Cannot access a property or method of a null object reference.
at ClientSet/contains()[/Users/moock/build/working/src/net/user1/reactor/ClientSet.as:36]
at net.user1.reactor::Room/removeOccupant()[/Users/moock/build/working/src/net/user1/reactor/Room.as:1081]
at CoreMessageListener/u37()[/Users/moock/build/working/src/net/user1/reactor/CoreMessageListener.as:522]
at Function/http://adobe.com/AS3/2006/builtin::apply()
at net.user1.reactor::MessageManager/notifyMessageListeners()[/Users/moock/build/working/src/net/user1/reactor/MessageManager.as:720]
at net.user1.reactor::MessageManager/upcReceivedListener()[/Users/moock/build/working/src/net/user1/reactor/MessageManager.as:293]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at net.user1.reactor::XMLSocketConnection/dataListener()[/Users/moock/build/working/src/net/user1/reactor/XMLSocketConnection.as:219]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at flash.net::XMLSocket/scanAndSendEvent()