Crash Plugin

[LamKietCrack]

Error: Class pocketmine\level\format\generic\ChunkException not found
File: /src/spl/BaseClassLoader
Line: 144
Type: notice

THIS CRASH WAS CAUSED BY A PLUGIN

Code:
[135]
[136] if(method_exists($name, "onClassLoaded") and (new ReflectionClass($name))->getMethod("onClassLoaded")->isStatic()){
[137] $name::onClassLoaded();
[138] }
[139]
[140] $this->classes[] = $name;
[141]
[142] return true;
[143] }elseif($this->getParent() === null){
[144] throw new ClassNotFoundException("Class $name not found");
[145] }
[146]
[147] return false;
[148] }
[149]
[150] /**
[151] * Returns the path for the class, if any
[152] *
[153] * @param string $name
[154] *

Backtrace:
#0 /src/pocketmine/level/format/generic/GenericChunk(103): spl_autoload_call(string pocketmine\level\format\generic\ChunkException)
#1 /src/pocketmine/level/format/generic/GenericChunk(691): pocketmine\level\format\generic\GenericChunk->__construct(pocketmine\level\format\region\McRegion object, integer 9, integer 23, array Array(), array Array(), array Array(), string ................................................................................................................................................................................................................................................................, array Array())
#2 /src/pocketmine/level/generator/PopulationTask(173): pocketmine\level\format\generic\GenericChunk::fastDeserialize(NULL , pocketmine\level\format\region\McRegion object)
#3 /src/pocketmine/scheduler/AsyncPool(151): pocketmine\level\generator\PopulationTask->onCompletion(pocketmine\Server object)
#4 /src/pocketmine/scheduler/ServerScheduler(268): pocketmine\scheduler\AsyncPool->collectTasks(boolean)
#5 /src/pocketmine/Server(2832): pocketmine\scheduler\ServerScheduler->mainThreadHeartbeat(integer 621375)
#6 /src/pocketmine/Server(2523): pocketmine\Server->tick(boolean)
#7 /src/pocketmine/Server(2401): pocketmine\Server->tickProcessor(boolean)
#8 /src/pocketmine/Server(1991): pocketmine\Server->start(boolean)
#9 /src/pocketmine/PocketMine(476): pocketmine\Server->__construct(pocketmine\CompatibleClassLoader object, pocketmine\utils\MainLogger object, string C:\Users\Administrator\Desktop\SkyBlock, string C:\Users\Administrator\Desktop\SkyBlock, string C:\Users\Administrator\Desktop\SkyBlock\plugins, string unknown)

[daniktheboss]

Crash please fix