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org.bukkit.event.EventException at org.bukkit.plugin.EventExecutor$1.execute(EventExecutor.java:46)[patched_1.10.2.jar:git-Paper-846] at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78)[patched_1.10.2.jar:git-Paper-846] at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)[patched_1.10.2.jar:git-Paper-846] at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:517)[patched_1.10.2.jar:git-Paper-846] at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:502)[patched_1.10.2.jar:git-Paper-846] at net.citizensnpcs.EventListen.onPlayerInteractEntity(EventListen.java:412)[citizens-2.0.20-SNAPSHOT.jar:?] at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor520.execute(Unknown Source)[?:?] at org.bukkit.plugin.EventExecutor$1.execute(EventExecutor.java:44)[patched_1.10.2.jar:git-Paper-846] at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78)[patched_1.10.2.jar:git-Paper-846] at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)[patched_1.10.2.jar:git-Paper-846] at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:517)[patched_1.10.2.jar:git-Paper-846] at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:502)[patched_1.10.2.jar:git-Paper-846] at net.minecraft.server.v1_10_R1.PlayerConnection.a(PlayerConnection.java:1571)[patched_1.10.2.jar:git-Paper-846] at net.minecraft.server.v1_10_R1.PacketPlayInUseEntity.a(PacketPlayInUseEntity.java:48)[patched_1.10.2.jar:git-Paper-846] at net.minecraft.server.v1_10_R1.PacketPlayInUseEntity.a(PacketPlayInUseEntity.java:5)[patched_1.10.2.jar:git-Paper-846] at net.minecraft.server.v1_10_R1.PlayerConnectionUtils$1.run(SourceFile:13)[patched_1.10.2.jar:git-Paper-846] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)[?:1.8.0_101] at java.util.concurrent.FutureTask.run(FutureTask.java:266)[?:1.8.0_101] at net.minecraft.server.v1_10_R1.SystemUtils.a(SourceFile:45)[patched_1.10.2.jar:git-Paper-846] at net.minecraft.server.v1_10_R1.MinecraftServer.D(MinecraftServer.java:791)[patched_1.10.2.jar:git-Paper-846] at net.minecraft.server.v1_10_R1.DedicatedServer.D(DedicatedServer.java:404)[patched_1.10.2.jar:git-Paper-846] at net.minecraft.server.v1_10_R1.MinecraftServer.C(MinecraftServer.java:725)[patched_1.10.2.jar:git-Paper-846] at net.minecraft.server.v1_10_R1.MinecraftServer.run(MinecraftServer.java:624)[patched_1.10.2.jar:git-Paper-846] at java.lang.Thread.run(Thread.java:745)[?:1.8.0_101]Caused by: java.lang.NullPointerException at org.bukkit.inventory.ItemStack.<init>(ItemStack.java:68)[patched_1.10.2.jar:git-Paper-846] at me.blackvein.quests.Quester.deliverItem(Quester.java:1411)[?:?] at me.blackvein.quests.NpcListener.onNPCRightClick(NpcListener.java:74)[?:?] at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor533.execute(Unknown Source)[?:?] at org.bukkit.plugin.EventExecutor$1.execute(EventExecutor.java:44)[patched_1.10.2.jar:git-Paper-846] ... 23 more