Server Crashes and Closes Before Joining

[AgaricaGamer]

Whenever I try To Join My Server It crashes before it creates a new profile. Please Fix It

2020-12-04 [04:37:36] [Server thread/WARNING]: Timezone could not be automatically determined or was set to an invalid value. An incorrect timezone will result in incorrect timestamps on console logs. It has been set to "UTC" by default. You can change it on the php.ini file.
2020-12-04 [04:37:36] [Server thread/WARNING]: Debugging assertions are enabled. This may degrade performance. To disable them, set zend.assertions = -1 in php.ini.
2020-12-04 [04:37:36] [Server thread/INFO]: Loading pocketmine.yml...
2020-12-04 [04:37:36] [Server thread/INFO]: Loading server properties...
2020-12-04 [04:37:36] [Server thread/INFO]: Selected English (eng) as the base language
2020-12-04 [04:37:36] [Server thread/INFO]: Starting Minecraft: Bedrock Edition server version v1.16.100
2020-12-04 [04:37:36] [Server thread/NOTICE]: Online mode is enabled. The server will verify that players are authenticated to Xbox Live.
2020-12-04 [04:37:36] [Server thread/NOTICE]: To disable authentication, set "xbox-auth" to "false" in server.properties.
2020-12-04 [04:37:36] [Server thread/INFO]: Opening server on 0.0.0.0:19132
2020-12-04 [04:37:36] [Server thread/INFO]: This server is running PocketMine-MP version 3.16.0
2020-12-04 [04:37:36] [Server thread/INFO]: PocketMine-MP is distributed under the LGPL License
2020-12-04 [04:37:37] [Server thread/INFO]: Loading resource packs...
2020-12-04 [04:37:37] [Server thread/INFO]: Loading XMines v1.0.0
2020-12-04 [04:37:37] [Server thread/INFO]: Loading XOreGen v1.0.0
2020-12-04 [04:37:37] [Server thread/INFO]: Preparing world "hub"
2020-12-04 [04:37:37] [Server thread/INFO]: Enabling XMines v1.0.0
2020-12-04 [04:37:37] [Server thread/INFO]: Enabling XOreGen v1.0.0
2020-12-04 [04:37:38] [Server thread/INFO]: Starting GS4 status listener
2020-12-04 [04:37:38] [Server thread/INFO]: Setting query port to 19132
2020-12-04 [04:37:38] [Server thread/INFO]: Query running on 0.0.0.0:19132
2020-12-04 [04:37:38] [Server thread/INFO]: Default game type: Survival Mode
2020-12-04 [04:37:38] [Server thread/INFO]: If you find this project useful, please consider donating to support development: https://patreon.com/pocketminemp
2020-12-04 [04:37:38] [Server thread/INFO]: Done (1.764s)! For help, type "help" or "?"
2020-12-04 [04:38:32] [Server thread/NOTICE]: Player data not found for "gadetic gamer", creating new profile
2020-12-04 [04:38:32] [Server thread/CRITICAL]: InvalidArgumentException: "Unknown NBT tag type 12" (EXCEPTION) in "vendor/pocketmine/nbt/src/NBT" at line 82
2020-12-04 [04:38:32] [Server thread/CRITICAL]: #0 vendor/pocketmine/nbt/src/NBTStream(181): pocketmine\nbt\NBT::createTag(integer 12)
2020-12-04 [04:38:32] [Server thread/CRITICAL]: #1 vendor/pocketmine/nbt/src/tag/CompoundTag(333): pocketmine\nbt\NBTStream->readTag(object pocketmine\nbt\ReaderTracker)
2020-12-04 [04:38:32] [Server thread/CRITICAL]: #2 vendor/pocketmine/nbt/src/ReaderTracker(45): pocketmine\nbt\tag\CompoundTag->pocketmine\nbt\tag{closure}()
2020-12-04 [04:38:32] [Server thread/CRITICAL]: #3 vendor/pocketmine/nbt/src/tag/CompoundTag(341): pocketmine\nbt\ReaderTracker->protectDepth(object Closure)
2020-12-04 [04:38:32] [Server thread/CRITICAL]: #4 vendor/pocketmine/nbt/src/NBTStream(183): pocketmine\nbt\tag\CompoundTag->read(object pocketmine\nbt\BigEndianNBTStream, object pocketmine\nbt\ReaderTracker)
2020-12-04 [04:38:32] [Server thread/CRITICAL]: #5 vendor/pocketmine/nbt/src/tag/CompoundTag(333): pocketmine\nbt\NBTStream->readTag(object pocketmine\nbt\ReaderTracker)
2020-12-04 [04:38:32] [Server thread/CRITICAL]: #6 vendor/pocketmine/nbt/src/ReaderTracker(45): pocketmine\nbt\tag\CompoundTag->pocketmine\nbt\tag{closure}()
2020-12-04 [04:38:32] [Server thread/CRITICAL]: #7 vendor/pocketmine/nbt/src/tag/CompoundTag(341): pocketmine\nbt\ReaderTracker->protectDepth(object Closure)
2020-12-04 [04:38:32] [Server thread/CRITICAL]: #8 vendor/pocketmine/nbt/src/NBTStream(183): pocketmine\nbt\tag\CompoundTag->read(object pocketmine\nbt\BigEndianNBTStream, object pocketmine\nbt\ReaderTracker)
2020-12-04 [04:38:32] [Server thread/CRITICAL]: #9 vendor/pocketmine/nbt/src/tag/CompoundTag(333): pocketmine\nbt\NBTStream->readTag(object pocketmine\nbt\ReaderTracker)
2020-12-04 [04:38:32] [Server thread/CRITICAL]: #10 vendor/pocketmine/nbt/src/ReaderTracker(45): pocketmine\nbt\tag\CompoundTag->pocketmine\nbt\tag{closure}()
2020-12-04 [04:38:32] [Server thread/CRITICAL]: #11 vendor/pocketmine/nbt/src/tag/CompoundTag(341): pocketmine\nbt\ReaderTracker->protectDepth(object Closure)
2020-12-04 [04:38:32] [Server thread/CRITICAL]: #12 vendor/pocketmine/nbt/src/NBTStream(183): pocketmine\nbt\tag\CompoundTag->read(object pocketmine\nbt\BigEndianNBTStream, object pocketmine\nbt\ReaderTracker)
2020-12-04 [04:38:32] [Server thread/CRITICAL]: #13 vendor/pocketmine/nbt/src/NBTStream(105): pocketmine\nbt\NBTStream->readTag(object pocketmine\nbt\ReaderTracker)
2020-12-04 [04:38:32] [Server thread/CRITICAL]: #14 src/pocketmine/level/format/io/region/Anvil(105): pocketmine\nbt\NBTStream->read(string[50388] ......Level...Status..postprocessed...zPos.......LastUpdate..........Biomes....)
2020-12-04 [04:38:32] [Server thread/CRITICAL]: #15 src/pocketmine/level/format/io/region/McRegion(398): pocketmine\level\format\io\region\Anvil->nbtDeserialize(string[50388] ......Level...Status..postprocessed...zPos.......LastUpdate..........Biomes....)
2020-12-04 [04:38:32] [Server thread/CRITICAL]: #16 src/pocketmine/level/format/io/BaseLevelProvider(179): pocketmine\level\format\io\region\McRegion->readChunk(integer 0, integer 0)
2020-12-04 [04:38:32] [Server thread/CRITICAL]: #17 src/pocketmine/level/Level(2663): pocketmine\level\format\io\BaseLevelProvider->loadChunk(integer 0, integer 0)
2020-12-04 [04:38:32] [Server thread/CRITICAL]: #18 src/pocketmine/level/Level(2295): pocketmine\level\Level->loadChunk(integer 0, integer 0, boolean )
2020-12-04 [04:38:32] [Server thread/CRITICAL]: #19 src/pocketmine/level/Level(2306): pocketmine\level\Level->getChunk(integer 0, integer 0, boolean )
2020-12-04 [04:38:32] [Server thread/CRITICAL]: #20 src/pocketmine/level/Level(2803): pocketmine\level\Level->getChunkAtPosition(object pocketmine\math\Vector3, boolean )
2020-12-04 [04:38:32] [Server thread/CRITICAL]: #21 src/pocketmine/Server(728): pocketmine\level\Level->getSafeSpawn()
2020-12-04 [04:38:32] [Server thread/CRITICAL]: #22 src/pocketmine/Player(2093): pocketmine\Server->getOfflinePlayerData(string[13] gadetic gamer)
2020-12-04 [04:38:32] [Server thread/CRITICAL]: #23 src/pocketmine/Player(2076): pocketmine\Player->processLogin()
2020-12-04 [04:38:32] [Server thread/CRITICAL]: #24 src/pocketmine/network/mcpe/VerifyLoginTask(180): pocketmine\Player->onVerifyCompleted(object pocketmine\network\mcpe\protocol\LoginPacket, NULL , boolean 1)
2020-12-04 [04:38:32] [Server thread/CRITICAL]: #25 src/pocketmine/scheduler/AsyncPool(319): pocketmine\network\mcpe\VerifyLoginTask->onCompletion(object pocketmine\Server)
2020-12-04 [04:38:32] [Server thread/CRITICAL]: #26 src/pocketmine/Server(2395): pocketmine\scheduler\AsyncPool->collectTasks()
2020-12-04 [04:38:32] [Server thread/CRITICAL]: #27 src/pocketmine/Server(2154): pocketmine\Server->tick()
2020-12-04 [04:38:32] [Server thread/CRITICAL]: #28 src/pocketmine/Server(1994): pocketmine\Server->tickProcessor()
2020-12-04 [04:38:32] [Server thread/CRITICAL]: #29 src/pocketmine/Server(1588): pocketmine\Server->start()
2020-12-04 [04:38:32] [Server thread/CRITICAL]: #30 src/pocketmine/PocketMine(273): pocketmine\Server->__construct(object BaseClassLoader, object pocketmine\utils\MainLogger, string[78] /storage/emulated/0/Android/data/com.kpwnapps.pmmpplugins/files/PocketMine-MP/, string[86] /storage/emulated/0/Android/data/com.kpwnapps.pmmpplugins/files/PocketMine-MP/pl)
2020-12-04 [04:38:32] [Server thread/CRITICAL]: #31 src/pocketmine/PocketMine(304): pocketmine\server()
2020-12-04 [04:38:32] [Server thread/CRITICAL]: #32 (11): require(string[133] phar:///storage/emulated/0/Android/data/com.kpwnapps.pmmpplugins/files/PocketMin)
2020-12-04 [04:38:32] [Server thread/EMERGENCY]: An unrecoverable error has occurred and the server has crashed. Creating a crash dump
2020-12-04 [04:38:32] [Server thread/EMERGENCY]: Please upload the "/storage/emulated/0/Android/data/com.kpwnapps.pmmpplugins/files/PocketMine-MP/crashdumps/Fri_Dec_4-04.38.32-UTC_2020.log" file to the Crash Archive and submit the link to the Bug Reporting page. Give as much info as you can.
2020-12-04 [04:38:32] [Server thread/INFO]: Disabling XMines v1.0.0
2020-12-04 [04:38:32] [Server thread/INFO]: Disabling XOreGen v1.0.0
2020-12-04 [04:38:32] [Server thread/INFO]: Gadetic Gamer[/100.102.204.213:59896] logged out due to Server closed
2020-12-04 [04:38:32] [Server thread/INFO]: Unloading world "hub"
2020-12-04 [04:38:32] [Server thread/ERROR]: Player Gadetic Gamer was disconnected before their login could be verified

[dktapps]

Java worlds newer than 1.12 aren't currently supported.