Crash on player login

[jasonw4331]

[15:39:26] [Server thread/CRITICAL]: Error: "Call to a member function getName() on null" (EXCEPTION) in "plugins/TeaSpoon-master/src/CortexPE/Utils" at line 160
[15:39:26] [Server thread/DEBUG]: #0 plugins/TeaSpoon-master/src/CortexPE/handlers/PacketHandler(150): CortexPE\Utils::getDimension(object pocketmine\level\Level)
[15:39:26] [Server thread/DEBUG]: #1 src/pocketmine/plugin/MethodEventExecutor(38): CortexPE\handlers\PacketHandler->onPacketSend(object pocketmine\event\server\DataPacketSendEvent)
[15:39:26] [Server thread/DEBUG]: #2 src/pocketmine/plugin/RegisteredListener(98): pocketmine\plugin\MethodEventExecutor->execute(object CortexPE\handlers\PacketHandler, object pocketmine\event\server\DataPacketSendEvent)
[15:39:26] [Server thread/DEBUG]: #3 src/pocketmine/event/Event(99): pocketmine\plugin\RegisteredListener->callEvent(object pocketmine\event\server\DataPacketSendEvent)
[15:39:26] [Server thread/DEBUG]: #4 src/pocketmine/Player(3177): pocketmine\event\Event->call()
[15:39:26] [Server thread/DEBUG]: #5 src/pocketmine/Player(3202): pocketmine\Player->sendDataPacket(object pocketmine\network\mcpe\protocol\StartGamePacket, boolean , boolean )
[15:39:26] [Server thread/DEBUG]: #6 src/pocketmine/Player(2158): pocketmine\Player->dataPacket(object pocketmine\network\mcpe\protocol\StartGamePacket)
[15:39:26] [Server thread/DEBUG]: #7 src/pocketmine/Player(2100): pocketmine\Player->completeLoginSequence()