Delete Island Bug

[PushkarOP]

Describe the bug
Delete Island Bug Crash The Server

To Reproduce
After doing /is delete {player name}

Expected behavior
I thought it would delete the island
SkyBlocksPM plugin information

• Plugin Version: 1.0.4

Crash Dump

PocketMine-MP Crash Dump Fri Mar 11 10:35:43 UTC 2022

Error: Call to a member function getMembers() on null
File: plugins/SkyBlocksPM/src/Vecnavium/SkyBlocksPM/commands/subcommands/DeleteSubCommand
Line: 43
Type: Error

THIS CRASH WAS CAUSED BY A PLUGIN
BAD PLUGIN: SkyBlocksPM

Code:
[34] $sender->sendMessage(SkyBlocksPM::getInstance()->getMessages()->getMessage('not-registered'));
[35] return;
[36] }
[37] if ($skyblockPlayer->getSkyBlock() == '')
[38] {
[39] $sender->sendMessage(SkyBlocksPM::getInstance()->getMessages()->getMessage('no-island'));
[40] return;
[41] }
[42] $skyblock = SkyBlocksPM::getInstance()->getSkyBlockManager()->getSkyBlock($skyblockPlayer->getSkyBlock());
[43] foreach ($skyblock->getMembers() as $member)
[44] {
[45] $player = SkyBlocksPM::getInstance()->getServer()->getPlayerByPrefix($member);
[46] if ($player instanceof P)
[47] $player->teleport(SkyBlocksPM::getInstance()->getServer()->getWorldManager()->getDefaultWorld()->getSpawnLocation());
[48] SkyBlocksPM::getInstance()->getPlayerManager()->getPlayerByPrefix($member)->setSkyBlock('');
[49] }
[50] SkyBlocksPM::getInstance()->getSkyBlockManager()->deleteSkyBlock($skyblock->getName());
[51] $world = SkyBlocksPM::getInstance()->getServer()->getWorldManager()->getWorldByName($skyblock->getWorld());
[52] foreach ($world->getPlayers() as $p)
[53] $p->teleport(SkyBlocksPM::getInstance()->getServer()->getWorldManager()->getDefaultWorld()->getSpawnLocation());

Backtrace:
#0 plugins/SkyBlocksPM/src/Vecnavium/SkyBlocksPM/libs/CortexPE/Commando/BaseCommand(143): Vecnavium\SkyBlocksPM\commands\subcommands\DeleteSubCommand->onRun(object pocketmine\player\Player#101726, string[2] is, array[1])
#1 pmsrc/src/command/SimpleCommandMap(220): Vecnavium\SkyBlocksPM\libs\CortexPE\Commando\BaseCommand->execute(object pocketmine\player\Player#101726, string[2] is, array[1])
#2 pmsrc/src/Server(1408): pocketmine\command\SimpleCommandMap->dispatch(object pocketmine\player\Player#101726, string[25] is delete PushkarMCPE5031)
#3 pmsrc/src/player/Player(1382): pocketmine\Server->dispatchCommand(object pocketmine\player\Player#101726, string[25] is delete PushkarMCPE5031)
#4 pmsrc/src/network/mcpe/handler/InGamePacketHandler(164): pocketmine\player\Player->chat(string[27] ./is delete PushkarMCPE5031)
#5 pmsrc/vendor/pocketmine/bedrock-protocol/src/TextPacket(167): pocketmine\network\mcpe\handler\InGamePacketHandler->handleText(object pocketmine\network\mcpe\protocol\TextPacket#132906)
#6 pmsrc/src/network/mcpe/NetworkSession(397): pocketmine\network\mcpe\protocol\TextPacket->handle(object pocketmine\network\mcpe\handler\InGamePacketHandler#117552)
#7 pmsrc/src/network/mcpe/NetworkSession(360): pocketmine\network\mcpe\NetworkSession->handleDataPacket(object pocketmine\network\mcpe\protocol\TextPacket#132906, string[65] ....PushkarMCPE5031../is delete PushkarMCPE5031.2535445334734711.)
#8 pmsrc/src/network/mcpe/raklib/RakLibInterface(192): pocketmine\network\mcpe\NetworkSession->handleEncoded(string[98] s.dd..(-..N,.u.p5506....,VHI.I-IU@..02565115661."CC....9?Z.nU.9.Nlp...uJSkpf...x)
#9 pmsrc/vendor/pocketmine/raklib-ipc/src/RakLibToUserThreadMessageReceiver(42): pocketmine\network\mcpe\raklib\RakLibInterface->onPacketReceive(integer 0, string[107] .]../...E.6...W...1 ....I..:.....K2........{...=.b.J........[..nc.R.w.........+.)
#10 pmsrc/src/network/mcpe/raklib/RakLibInterface(122): raklib\server\ipc\RakLibToUserThreadMessageReceiver->handle(object pocketmine\network\mcpe\raklib\RakLibInterface#27952)
#11 pmsrc/vendor/pocketmine/snooze/src/SleeperHandler(123): pocketmine\network\mcpe\raklib\RakLibInterface->pocketmine\network\mcpe\raklib{closure}()
#12 pmsrc/vendor/pocketmine/snooze/src/SleeperHandler(82): pocketmine\snooze\SleeperHandler->processNotifications()
#13 pmsrc/src/Server(1660): pocketmine\snooze\SleeperHandler->sleepUntil(double 1646994943.1691)
#14 pmsrc/src/Server(1046): pocketmine\Server->tickProcessor()
#15 pmsrc/src/PocketMine(304): pocketmine\Server->__construct(object BaseClassLoader#2, object pocketmine\utils\MainLogger#3, string[72] /storage/emulated/0/Android/data/io.scer.pocketmine/files/PocketMine-MP/, string[80] /storage/emulated/0/Android/data/io.scer.pocketmine/files/PocketMine-MP/plugins/)
#16 pmsrc/src/PocketMine(327): pocketmine\server()
#17 pmsrc(11): require(string[116] phar:///storage/emulated/0/Android/data/io.scer.pocketmine/files/PocketMine-MP/P)

PocketMine-MP version: 4.2.2 [Protocol 486]
Git commit: 12946fbe466335ccf9d94f63a65400903c924fca
uname -a: Linux localhost 4.9.112-perf+ #1 SMP PREEMPT Wed Aug 19 02:45:37 CST 2020 aarch64
PHP Version: 8.0.12
Zend version: 4.0.12
OS: Linux, android
Composer libraries:

• adhocore/json-comment 1.1.2@fc2f76979f0a44a5f5bc2a2b600d0762fe0e78e7
• brick/math 0.9.3@ca57d18f028f84f777b2168cd1911b0dee2343ae
• daverandom/callback-validator unknown@unknown
• fgrosse/phpasn1 v2.4.0@eef488991d53e58e60c9554b09b1201ca5ba9296
• netresearch/jsonmapper v4.0.0@8bbc021a8edb2e4a7ea2f8ad4fa9ec9dce2fcb8d
• pocketmine/bedrock-data 1.6.0+bedrock-1.18.10@e98c511584a7bd58a95986374d2df4b04c6a2ba0
• pocketmine/bedrock-protocol 8.0.0+bedrock-1.18.10@017e57c8f8a74118bcbba7332e7ebac9e6c81693
• pocketmine/binaryutils 0.2.4@5ac7eea91afbad8dc498f5ce34ce6297d5e6ea9a
• pocketmine/callback-validator 1.0.3@64787469766bcaa7e5885242e85c23c25e8c55a2
• pocketmine/classloader 0.2.0@49ea303993efdfb39cd302e2156d50aa78209e78
• pocketmine/color 0.2.0@09be6ea6d76f2e33d6813c39d29c22c46c17e1d2
• pocketmine/errorhandler 0.6.0@dae214a04348b911e8219ebf125ff1c5589cc878
• pocketmine/locale-data 2.4.3@4d0b081f1a79407e087968ea76aaf330db6ea2b5
• pocketmine/log 0.4.0@e6c912c0f9055c81d23108ec2d179b96f404c043
• pocketmine/log-pthreads 0.4.0@61f709e8cf36bcc24e4efe02acded680a1ce23cd
• pocketmine/math 0.4.2@aacc3759a508a69dfa5bc4dfa770ab733c5c94bf
• pocketmine/nbt 0.3.2@3e0d9ef6b6c5fb45e3745a121296e75631b3eefe
• pocketmine/pocketmine-mp 4.2.2@12946fbe466335ccf9d94f63a65400903c924fca
• pocketmine/raklib 0.14.3@4798576fec0364266dce23b368a7fec5e5de7927
• pocketmine/raklib-ipc 0.1.1@922a6444b0c6c7daaa5aa5a832107e1ec4738aed
• pocketmine/snooze 0.3.1@0ac8fc2a781c419a1f64ebca4d5835028f59e29b
• ramsey/collection 1.2.2@cccc74ee5e328031b15640b51056ee8d3bb66c0a
• ramsey/uuid 4.2.3@fc9bb7fb5388691fd7373cd44dcb4d63bbcf24df
• rhumsaa/uuid unknown@unknown
• symfony/polyfill-ctype v1.24.0@30885182c981ab175d4d034db0f6f469898070ab
• symfony/polyfill-php80 v1.24.0@57b712b08eddb97c762a8caa32c84e037892d2e9
• symfony/polyfill-php81 v1.24.0@5de4ba2d41b15f9bd0e19b2ab9674135813ec98f
• webmozart/assert 1.10.0@6964c76c7804814a842473e0c8fd15bab0f18e25
• webmozart/path-util 2.3.0@d939f7edc24c9a1bb9c0dee5cb05d8e859490725

Loaded plugins:
DEVirion 1.2.8 by poggit, SOFe for API(s) 4.0.0
DevTools 1.15.0 by PocketMine Team for API(s) 4.0.0
EconomyAPI 5.7.3-PM4 by onebone for API(s) 4.0.0
FakePlayer 0.1.2 by for API(s) 4.0.0
FormAPI 2.1.0 by jojoe77777 for API(s) 4.0.0
MultiWorld 1.7.0-beta4 by CzechPMDevs, VixikCZ, fuyutsuki, kaliiks for API(s) 4.0.0
PurePerms 2.0.2 by Vecnavium , 64FF00 & ProjectInfinity for API(s) 4.0.0
SkyBlocksPM 1.0.4 by Vecnavium for API(s) 4.0.0

[Vecnavium]

Fixed in this release