how to fix ? about specter HOT 3 CLOSED

@PEMapModder I need how to fix this or tell me 1 what phar specter error I need it in two days to a need

from specter.

ClearSky Crash Dump Fri Jan 29 06:12:05 AKST 2016

Error: Call to undefined method pocketmine\Server::getUpdater()
File: /Specter-master/src/specter/network/SpecterPlayer
Line: 59
Type: E_ERROR

THIS CRASH WAS CAUSED BY A PLUGIN
BAD PLUGIN: Specter v0.4

Code:
[50] $this->inventory->sendArmorContents($this);
[51]
[52] $this->server->getPluginManager()->callEvent($ev = new PlayerJoinEvent($this, TextFormat::YELLOW . $this->getName() . " joined the game"));
[53] if(strlen(trim($ev->getJoinMessage())) > 0){
[54] $this->server->broadcastMessage($ev->getJoinMessage());
[55] }
[56]
[57] $this->spawnToAll();
[58]
[59] if($this->server->getUpdater()->hasUpdate() and $this->hasPermission(Server::BROADCAST_CHANNEL_ADMINISTRATIVE)){
[60] $this->server->getUpdater()->showPlayerUpdate($this);
[61] }
[62] }
[63] }
[64] }
[65]
[66]
[67]
[68]
[69]

Backtrace:
#0 /src/pocketmine/Server(0): pocketmine\Server->crashDump(boolean)
#1 /src/pocketmine/Player(1761): specter\network\SpecterPlayer->sendNextChunk(boolean)
#2 /src/pocketmine/Server(2516): pocketmine\Player->checkNetwork(boolean)
#3 /src/pocketmine/Server(2252): pocketmine\Server->tick(boolean)
#4 /src/pocketmine/Server(2130): pocketmine\Server->tickProcessor(boolean)
#5 /src/pocketmine/Server(1723): pocketmine\Server->start(boolean)
#6 /src/pocketmine/PocketMine(442): pocketmine\Server->__construct(boolean)
#7 (1): (boolean)
#8 (0): {main}(boolean)

PocketMine-MP version: 1.0dev #0 [Protocol 38; API 1.13.1]
Git commit: 0000000000000000000000000000000000000000
uname -a: Windows NT WINDOWS2012-001 6.3 build 9200 (Windows Server 2012 R2 Standard Edition) i586
PHP Version: 5.6.6
Zend version: 2.6.0
OS : WINNT, win

Loaded plugins:
DevTools 1.10.0 by PocketMine Team for API(s) 1.3.1
essentialsTP 1.1.0 by for API(s) 1.12.0
SignPortal 1.1.2 by 99leonchang for API(s) 1.3.1
Slapper 1.2.5fix0.13.1 by jojoe77777rBEdit for API(s) 1.12.0
SnowHalation 1.8-alpha by hm for API(s) 1.13.0, 2.0.0
SpecialBlock 1.3.4 by Primus for API(s) 1.0.0
WorldEditArt 1.0.0_beta_dev_#048 by PEMapModder for API(s) 1.0.0
WorldProtect 2.2.0 by aliuly for API(s) 1.10.0, 1.12.0
GrabBag 2.4.1 by aliuly for API(s) 1.10.0, 1.11.0, 1.12.0, 2.0.0
Specter 0.4 by Falkirks for API(s) 1.13.0

from specter.

Please stop duplicating issues. If you want to use this plugin, use PocketMine. This plugin is highly hacky and can easily malfunction in unofficial versions of PocketMine.

from specter.