ErrorException: "Undefined offset: 4" (EXCEPTION) in "TeaSpoon/src/CortexPE/block/Fire" at line 49

[ghost]

[12:07:11] [Server thread/CRITICAL]: Welt "Farmwelt-2" konnte nicht getickt werden: Undefined offset: 4
[12:07:11] [Server thread/CRITICAL]: ErrorException: "Undefined offset: 4" (EXCEPTION) in "TeaSpoon/src/CortexPE/block/Fire" at line 49
[12:07:11] [Server thread/DEBUG]: #0 TeaSpoon/src/CortexPE/block/Fire(49): pocketmine\error_handler
(integer 8, string Undefined offset: 4, string /root/MCPE/Lobby/plugins/TeaSpoon/src/CortexPE/block
/Fire.php, integer 49, array Array())
[12:07:11] [Server thread/DEBUG]: #1 src/pocketmine/level/Level(982): CortexPE\block\Fire->onUpdate(integer 2
)
[12:07:11] [Server thread/DEBUG]: #2 src/pocketmine/level/Level(751): pocketmine\level\Level->tickChunks()
[12:07:11] [Server thread/DEBUG]: #3 src/pocketmine/Server(2375): pocketmine\level\Level->doTick(integer 2752
61)
[12:07:11] [Server thread/DEBUG]: #4 src/pocketmine/Server(2528): pocketmine\Server->checkTickUpdates(integer
275261, double 1512061631.6861)
[12:07:11] [Server thread/DEBUG]: #5 src/pocketmine/Server(2272): pocketmine\Server->tick()
[12:07:11] [Server thread/DEBUG]: #6 src/pocketmine/Server(2147): pocketmine\Server->tickProcessor()
[12:07:11] [Server thread/DEBUG]: #7 src/pocketmine/Server(1735): pocketmine\Server->start()
[12:07:11] [Server thread/DEBUG]: #8 src/pocketmine/PocketMine(552): pocketmine\Server->__construct(BaseClass
Loader object, pocketmine\utils\MainLogger object, string phar:///root/MCPE/Lobby/PocketMine-MP.phar/, string
/root/MCPE/Lobby/, string /root/MCPE/Lobby/plugins/)
[12:07:11] [Server thread/DEBUG]: #9 /root/MCPE/Lobby/PocketMine-MP.phar(1): require_once(string phar:///root
/MCPE/Lobby/PocketMine-MP.phar/src/pocketmine/PocketMine.php)

[CortexPE]

Please update your version of TeaSpoon.