fix pls!

[CatalizCS]

[Server thread/CRITICAL]: TypeError: "Argument 1 passed to room17\SkyBlock\session\Session::setIsleId() must be of the type string or null, boolean given, called in C:\Users\Administrator\Desktop\Skyblock\plugins\SkyBlock-master\src\room17\SkyBlock\provider\json\JSONProvider.php on line 64" (EXCEPTION) in "plugins/SkyBlock-master/src/room17/SkyBlock/session/Session" at line 109
2019-06-23 [12:06:34] [Server thread/DEBUG]: #0 plugins/SkyBlock-master/src/room17/SkyBlock/provider/json/JSONProvider(64): room17\SkyBlock\session\Session->setIsleId(boolean )
2019-06-23 [12:06:34] [Server thread/DEBUG]: #1 plugins/SkyBlock-master/src/room17/SkyBlock/session/BaseSession(61): room17\SkyBlock\provider\json\JSONProvider->loadSession(object room17\SkyBlock\session\Session)
2019-06-23 [12:06:34] [Server thread/DEBUG]: #2 plugins/SkyBlock-master/src/room17/SkyBlock/session/Session(46): room17\SkyBlock\session\BaseSession->__construct(object room17\SkyBlock\session\SessionManager, string[7] kitorao)
2019-06-23 [12:06:34] [Server thread/DEBUG]: #3 plugins/SkyBlock-master/src/room17/SkyBlock/session/SessionManager(79): room17\SkyBlock\session\Session->__construct(object room17\SkyBlock\session\SessionManager, object StockPE\MCBE\Dump)
2019-06-23 [12:06:34] [Server thread/DEBUG]: #4 plugins/SkyBlock-master/src/room17/SkyBlock/session/SessionListener(44): room17\SkyBlock\session\SessionManager->openSession(object StockPE\MCBE\Dump)
2019-06-23 [12:06:34] [Server thread/DEBUG]: #5 src/pocketmine/plugin/MethodEventExecutor(38): room17\SkyBlock\session\SessionListener->onLogin(object pocketmine\event\player\PlayerLoginEvent)
2019-06-23 [12:06:34] [Server thread/DEBUG]: #6 src/pocketmine/plugin/RegisteredListener(98): pocketmine\plugin\MethodEventExecutor->execute(object room17\SkyBlock\session\SessionListener, object pocketmine\event\player\PlayerLoginEvent)
2019-06-23 [12:06:34] [Server thread/DEBUG]: #7 src/pocketmine/event/Event(99): pocketmine\plugin\RegisteredListener->callEvent(object pocketmine\event\player\PlayerLoginEvent)
2019-06-23 [12:06:34] [Server thread/DEBUG]: #8 src/pocketmine/Player(2117): pocketmine\event\Event->call()
2019-06-23 [12:06:34] [Server thread/DEBUG]: #9 src/pocketmine/Player(2100): pocketmine\Player->completeLoginSequence()
2019-06-23 [12:06:34] [Server thread/DEBUG]: #10 src/pocketmine/network/mcpe/PlayerNetworkSessionAdapter(126): pocketmine\Player->handleResourcePackClientResponse(object pocketmine\network\mcpe\protocol\ResourcePackClientResponsePacket)
2019-06-23 [12:06:34] [Server thread/DEBUG]: #11 src/pocketmine/network/mcpe/protocol/ResourcePackClientResponsePacket(62): pocketmine\network\mcpe\PlayerNetworkSessionAdapter->handleResourcePackClientResponse(object pocketmine\network\mcpe\protocol\ResourcePackClientResponsePacket)
2019-06-23 [12:06:34] [Server thread/DEBUG]: #12 src/pocketmine/network/mcpe/PlayerNetworkSessionAdapter(110): pocketmine\network\mcpe\protocol\ResourcePackClientResponsePacket->handle(object pocketmine\network\mcpe\PlayerNetworkSessionAdapter)
2019-06-23 [12:06:34] [Server thread/DEBUG]: #13 src/pocketmine/network/mcpe/protocol/BatchPacket(123): pocketmine\network\mcpe\PlayerNetworkSessionAdapter->handleDataPacket(object pocketmine\network\mcpe\protocol\ResourcePackClientResponsePacket)
2019-06-23 [12:06:34] [Server thread/DEBUG]: #14 src/pocketmine/network/mcpe/PlayerNetworkSessionAdapter(110): pocketmine\network\mcpe\protocol\BatchPacket->handle(object pocketmine\network\mcpe\PlayerNetworkSessionAdapter)
2019-06-23 [12:06:34] [Server thread/DEBUG]: #15 src/pocketmine/Player(3124): pocketmine\network\mcpe\PlayerNetworkSessionAdapter->handleDataPacket(object pocketmine\network\mcpe\protocol\BatchPacket)
2019-06-23 [12:06:34] [Server thread/DEBUG]: #16 src/pocketmine/network/mcpe/RakLibInterface(169): pocketmine\Player->handleDataPacket(object pocketmine\network\mcpe\protocol\BatchPacket)
2019-06-23 [12:06:34] [Server thread/DEBUG]: #17 vendor/pocketmine/raklib/src/server/ServerHandler(99): pocketmine\network\mcpe\RakLibInterface->handleEncapsulated(string[19] 14.227.165.80 39728, object raklib\protocol\EncapsulatedPacket, integer 0)
2019-06-23 [12:06:34] [Server thread/DEBUG]: #18 src/pocketmine/network/mcpe/RakLibInterface(109): raklib\server\ServerHandler->handlePacket()
2019-06-23 [12:06:34] [Server thread/DEBUG]: #19 src/pocketmine/network/mcpe/RakLibInterface(99): pocketmine\network\mcpe\RakLibInterface->process()
2019-06-23 [12:06:34] [Server thread/DEBUG]: #20 vendor/pocketmine/snooze/src/SleeperHandler(123): pocketmine\network\mcpe\RakLibInterface->pocketmine\network\mcpe{closure}()
2019-06-23 [12:06:34] [Server thread/DEBUG]: #21 vendor/pocketmine/snooze/src/SleeperHandler(85): pocketmine\snooze\SleeperHandler->processNotifications()
2019-06-23 [12:06:34] [Server thread/DEBUG]: #22 src/pocketmine/Server(2338): pocketmine\snooze\SleeperHandler->sleepUntil(double 1561291594.531)
2019-06-23 [12:06:34] [Server thread/DEBUG]: #23 src/pocketmine/Server(2195): pocketmine\Server->tickProcessor()
2019-06-23 [12:06:35] [Server thread/DEBUG]: #24 src/pocketmine/Server(1774): pocketmine\Server->start()
2019-06-23 [12:06:35] [Server thread/DEBUG]: #25 src/pocketmine/PocketMine(266): pocketmine\Server->__construct(object BaseClassLoader, object pocketmine\utils\MainLogger, string[40] C:\Users\Administrator\Desktop\Skyblock, string[48] C:\Users\Administrator\Desktop\Skyblock\plugins)
2019-06-23 [12:06:35] [Server thread/DEBUG]: #26 (1): require(string[95] phar://C:/Users/Administrator/Desktop/Skyblock/PocketMine-MP.phar/src/pocketmine)�

[sylv256]

Please give more explanation on what happened and what you think caused this to happen.

[CatalizCS]

i dont know, i just create new island and get this error

[dresnite]

I need more information to solve it, feel free to open another issue when you have enough information such as how to reproduce this step by step.