20.11 10:28:40 [Server] Server thread/EMERGENCY Please upload the "/crashdumps/Mon_Nov_20-10.28.40-EST_2017.log" file to the Crash Archive and submit the link to the Bug Reporting page. Give as much info as you can.
20.11 10:28:40 [Server] Server thread/EMERGENCY An unrecoverable error has occurred and the server has crashed. Creating a crash dump
20.11 10:28:40 [Server] Server thread/DEBUG #10 /custom-phar-php72.phar(1): require(string phar:///custom-phar-php72.phar/src/pocketmine/PocketMine.php)
20.11 10:28:40 [Server] Server thread/DEBUG #9 src/pocketmine/PocketMine(550): pocketmine\Server->__construct(BaseClassLoader object, pocketmine\utils\MainLogger object, string phar:///custom-phar-php72.phar/, string /, string /plugins/)
20.11 10:28:40 [Server] Server thread/DEBUG #8 src/pocketmine/Server(1734): pocketmine\Server->start()
20.11 10:28:40 [Server] Server thread/DEBUG #7 src/pocketmine/Server(2144): pocketmine\Server->tickProcessor()
20.11 10:28:40 [Server] Server thread/DEBUG #6 src/pocketmine/Server(2269): pocketmine\Server->tick()
20.11 10:28:40 [Server] Server thread/DEBUG #5 src/pocketmine/Server(2522): pocketmine\scheduler\ServerScheduler->mainThreadHeartbeat(integer 3914)
20.11 10:28:40 [Server] Server thread/DEBUG #4 src/pocketmine/scheduler/ServerScheduler(342): pocketmine\scheduler\AsyncPool->collectTasks()
20.11 10:28:40 [Server] Server thread/DEBUG #3 src/pocketmine/scheduler/AsyncPool(164): NetherGames\HereAuth\Database\MySQL\MySQLLoadPlayerTask->onCompletion(pocketmine\Server object)
20.11 10:28:40 [Server] Server thread/DEBUG #2 NGCore/src/NetherGames/HereAuth/Database/MySQL/MySQLLoadPlayerTask(61): NetherGames\HereAuth\User\AccountInfo::fromDatabaseRow(array Array())
20.11 10:28:40 [Server] Server thread/DEBUG #1 NGCore/src/NetherGames/HereAuth/User/AccountInfo(79): unserialize(string C:25:"HereAuth\User\AccountOpts":167:{{"autoSecret":false,"autoIp":false,"autoUuid":true,"maskLoc":false,"maskLocPos":"pawn?@urrent?","maskInv":true,"multiSkin":false,"multiIp":false,"multiTimeout":14}})
20.11 10:28:40 [Server] Server thread/DEBUG #0 (): pocketmine\error_handler(integer 2, string Class __PHP_Incomplete_Class has no unserializer, string /plugins/NGCore/src/NetherGames/HereAuth/User/AccountInfo.php, integer 79, array Array())
20.11 10:28:40 [Server] Server thread/CRITICAL ErrorException: "Class __PHP_Incomplete_Class has no unserializer" (EXCEPTION) in "NGCore/src/NetherGames/HereAuth/User/AccountInfo" at line 79