你好，请问一下每次有玩家用强化石后台就报错，该如何解决。

[11:47:05] [Server thread/ERROR]: Could not pass event InventoryClickEvent to Intensify3 v3.0

org.bukkit.event.EventException: null

at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:72) ~[patched_1.12.2.jar:git-Paper-1288]

at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78) ~[patched_1.12.2.jar:git-Paper-1288]

at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[patched_1.12.2.jar:git-Paper-1288]

at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:515) ~[patched_1.12.2.jar:git-Paper-1288]

at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:500) ~[patched_1.12.2.jar:git-Paper-1288]

at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:1981) ~[patched_1.12.2.jar:git-Paper-1288]

at net.minecraft.server.v1_12_R1.PacketPlayInWindowClick.a(SourceFile:33) ~[patched_1.12.2.jar:git-Paper-1288]

at net.minecraft.server.v1_12_R1.PacketPlayInWindowClick.a(SourceFile:10) ~[patched_1.12.2.jar:git-Paper-1288]

at net.minecraft.server.v1_12_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:14) ~[patched_1.12.2.jar:git-Paper-1288]

at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0_161]

at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_161]

at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) [patched_1.12.2.jar:git-Paper-1288]

at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:843) [patched_1.12.2.jar:git-Paper-1288]

at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:426) [patched_1.12.2.jar:git-Paper-1288]

at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:767) [patched_1.12.2.jar:git-Paper-1288]

at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:665) [patched_1.12.2.jar:git-Paper-1288]

at java.lang.Thread.run(Unknown Source) [?:1.8.0_161]

Caused by: java.lang.IllegalArgumentException: Enchantment cannot be null

at org.apache.commons.lang.Validate.notNull(Validate.java:192) ~[patched_1.12.2.jar:git-Paper-1288]

at org.bukkit.craftbukkit.v1_12_R1.inventory.CraftMetaItem.getEnchantLevel(CraftMetaItem.java:700) ~[patched_1.12.2.jar:git-Paper-1288]

at org.bukkit.craftbukkit.v1_12_R1.inventory.CraftItemStack.getEnchantmentLevel(CraftItemStack.java:213) ~[patched_1.12.2.jar:git-Paper-1288]

at cn.rainbowena.minecraft.Intensify.DurabilityIntensity(Intensify.java:443) ~[?:?]

at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor91.execute(Unknown Source) ~[?:?]

at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:70) ~[patched_1.12.2.jar:git-Paper-1288]

... 16 more