Tried to close a level which is already closed

[FaanMaario]

Hi, we have this error sometimes and we don't know why it happens

`PocketMine-MP Crash Dump Wed Mar 6 22:50:09 CET 2019

Error: Tried to close a level which is already closed File: src/pocketmine/level/Level Line: 468 Type: InvalidStateException

A PLUGIN WAS INVOLVED IN THIS CRASH BAD PLUGIN: SkyBlock v2.2.8

Code:

Backtrace:

0 src/pocketmine/level/Level(613): pocketmine\level\Level->close()

1 src/pocketmine/Server(1061): pocketmine\level\Level->unload(boolean )

2 plugins/SkyBlock_v2.2.8/src/room17/SkyBlock/isle/IsleManager(148): pocketmine\Server->unloadLevel(pocketmine\level\Level object)

3 plugins/SkyBlock_v2.2.8/src/room17/SkyBlock/isle/Isle(377): room17\SkyBlock\isle\IsleManager->closeIsle(room17\SkyBlock\isle\Isle object)

4 plugins/SkyBlock_v2.2.8/src/room17/SkyBlock/session/SessionManager(92): room17\SkyBlock\isle\Isle->tryToClose()

5 plugins/SkyBlock_v2.2.8/src/room17/SkyBlock/session/SessionListener(50): room17\SkyBlock\session\SessionManager->closeSession(pocketmine\Player object)

6 src/pocketmine/plugin/MethodEventExecutor(38): room17\SkyBlock\session\SessionListener->onQuit(pocketmine\event\player\PlayerQuitEvent object)

7 src/pocketmine/plugin/RegisteredListener(98): pocketmine\plugin\MethodEventExecutor->execute(room17\SkyBlock\session\SessionListener object, pocketmine\event\player\PlayerQuitEvent object)

8 src/pocketmine/event/Event(99): pocketmine\plugin\RegisteredListener->callEvent(pocketmine\event\player\PlayerQuitEvent object)

9 src/pocketmine/Player(3483): pocketmine\event\Event->call()

10 src/pocketmine/Player(3217): pocketmine\Player->close(string , string transfer, boolean )

11 plugins/SlashServer-master/src/SmartLord/SlashServer/Main(131): pocketmine\Player->transfer(string networkbe.mcpe.eu, integer 19134)

12 plugins/SlashServer-master/src/SmartLord/SlashServer/TransferTask(28): SmartLord\SlashServer\Main->transferPlayer(pocketmine\Player object, string Freebuild, string networkbe.mcpe.eu, integer 19134)

13 src/pocketmine/scheduler/TaskHandler(159): SmartLord\SlashServer\TransferTask->onRun(integer 22448)

14 src/pocketmine/scheduler/TaskScheduler(199): pocketmine\scheduler\TaskHandler->run(integer 22448)

15 src/pocketmine/plugin/PluginManager(688): pocketmine\scheduler\TaskScheduler->mainThreadHeartbeat(integer 22448)

16 src/pocketmine/Server(2587): pocketmine\plugin\PluginManager->tickSchedulers(integer 22448)

17 src/pocketmine/Server(2342): pocketmine\Server->tick()

18 src/pocketmine/Server(2205): pocketmine\Server->tickProcessor()

19 src/pocketmine/Server(1784): pocketmine\Server->start()

20 src/pocketmine/PocketMine(250): pocketmine\Server->__construct(BaseClassLoader object, pocketmine\utils\MainLogger object, string /home/leo/skyblock/, string /home/leo/skyblock/plugins/)

21 (1): require(string phar:///home/leo/skyblock/PocketMine-MP.phar/src/pocketmine/PocketMine.php)

PocketMine-MP version: 3.6.4 [Protocol 332] Git commit: af90e18b18372849c5946be00620a9891f28ebb1 uname -a: Linux FactionBE 3.10.0-862.11.6.vz7.71.8 #1 SMP Fri Aug 31 18:21:42 MSK 2018 x86_64 PHP Version: 7.2.13 Zend version: 3.2.0 OS : Linux, linux`

[dresnite]

Thanks for the report

[dresnite]

I have no idea how to reproduce this, could you tell me the exact steps you did to produce it?

[dresnite]

d1867e91a4309dd12191de7526b01d3921e74cef should prevent anything like this from happening again.