'Could not pass event'

위의 문장으로 시작하는 오류를 버킷 로그에서 검색했을 때 아래와 같습니다.

보면 12월 06일 부터 오류가 폭증했는데요.

당일(12/06) 처음으로 발생한 오류의 내용은 아래와 같습니다.

[10:13:30] [Server thread/ERROR] [Minecraft]: Could not pass event PlayerDropItemEvent to ServerLog v1.1.3

org.bukkit.event.EventException: null

    at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:69) ~[EventExecutor$2.class:git-CatServer-1.12.2-1973bbc]

    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[RegisteredListener.class:git-CatServer-1.12.2-1973bbc]

    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:503) [SimplePluginManager.class:git-CatServer-1.12.2-1973bbc]

    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:488) [SimplePluginManager.class:git-CatServer-1.12.2-1973bbc]

    at net.minecraft.entity.player.EntityPlayer.func_146097_a(EntityPlayer.java:774) [aed.class:?]

    at net.minecraftforge.common.ForgeHooks.onPlayerTossEvent(ForgeHooks.java:685) [ForgeHooks.class:git-CatServer-1.12.2-1973bbc]

    at net.minecraft.entity.player.EntityPlayer.func_71019_a(EntityPlayer.java:727) [aed.class:?]

    at net.minecraft.inventory.Container.func_184996_a(Container.java:351) [afr.class:?]

    at net.minecraft.network.NetHandlerPlayServer.func_147351_a(NetHandlerPlayServer.java:2122) [pa.class:?]

    at net.minecraft.network.play.client.CPacketClickWindow.func_148833_a(CPacketClickWindow.java:38) [lf.class:?]

    at net.minecraft.network.play.client.CPacketClickWindow.func_148833_a(CPacketClickWindow.java:12) [lf.class:?]

    at net.minecraft.network.PacketThreadUtil$1.run(SourceFile:13) [hv$1.class:?]

    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_272]

    at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_272]

    at net.minecraft.util.Util.func_181617_a(SourceFile:46) [h.class:?]

    at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:838) [MinecraftServer.class:?]

    at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:472) [nz.class:?]

    at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:775) [MinecraftServer.class:?]

    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:629) [MinecraftServer.class:?]

    at java.lang.Thread.run(Thread.java:748) [?:1.8.0_272]

Caused by: java.lang.NullPointerException

    at com.bryan.log.items.PlayerDropItemEvents.onItemDrop(PlayerDropItemEvents.java:38) ~[?:?]

    at catserver.server.executor.asm.generated.GeneratedEventExecutor22.execute(Unknown Source) ~[?:?]

    at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:67) ~[EventExecutor$2.class:git-CatServer-1.12.2-1973bbc]

    ... 19 more

그렇게 이후에도 꾸준히 발생되어온 오류는...

오늘(12/13)까지도 아래와 같이 나타나고 있습니다.

[05:27:38] [Server thread/ERROR] [Minecraft]: Could not pass event PlayerPickupItemEvent to ServerLog v1.1.3

org.bukkit.event.EventException: null

    at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:69) ~[EventExecutor$2.class:git-CatServer-1.12.2-1973bbc]

    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[RegisteredListener.class:git-CatServer-1.12.2-1973bbc]

    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:503) [SimplePluginManager.class:git-CatServer-1.12.2-1973bbc]

    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:488) [SimplePluginManager.class:git-CatServer-1.12.2-1973bbc]

    at net.minecraft.entity.item.EntityItem.func_70100_b_(EntityItem.java:452) [acl.class:?]

    at net.minecraft.entity.player.EntityPlayer.func_71044_o(EntityPlayer.java:615) [aed.class:?]

    at net.minecraft.entity.player.EntityPlayer.func_70636_d(EntityPlayer.java:586) [aed.class:?]

    at net.minecraft.entity.EntityLivingBase.func_70071_h_(EntityLivingBase.java:2506) [vp.class:?]

    at net.minecraft.entity.player.EntityPlayer.func_70071_h_(EntityPlayer.java:248) [aed.class:?]

    at net.minecraft.entity.player.EntityPlayerMP.func_71127_g(EntityPlayerMP.java:467) [oq.class:?]

    at net.minecraft.network.NetHandlerPlayServer.func_73660_a(NetHandlerPlayServer.java:247) [pa.class:?]

    at net.minecraftforge.fml.common.network.handshake.NetworkDispatcher$1.func_73660_a(NetworkDispatcher.java:209) [NetworkDispatcher$1.class:git-CatServer-1.12.2-1973bbc]

    at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:235) [gw.class:?]

    at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:187) [oz.class:?]

    at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:933) [MinecraftServer.class:?]

    at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:472) [nz.class:?]

    at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:775) [MinecraftServer.class:?]

    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:629) [MinecraftServer.class:?]

    at java.lang.Thread.run(Thread.java:748) [?:1.8.0_272]

Caused by: java.lang.NullPointerException

시기상 서버에서 발생하는 렉이랑도 연관이 있나 싶어서 고민됩니다.

https://www.spigotmc.org/resources/server-log.65510/

12월 06일 전에 문제 없이 사용해온 플러그인 주소입니다.