Could not pass event PrepareAnvilEvent

[Thin-Troll]

Required Information

• FAVS Version Number (/version IllegalStack): Ilegal 2.4.5
• Spigot/Paper Version Number (/version): Paper 1.12.2 BUILD 1620

Describe the bug Errors are spammed in the logs [12:36:04 ERROR]: Could not pass event PrepareAnvilEvent to IllegalStack v2.4.5 org.bukkit.event.EventException: null at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:72) ~[patched_1.12.2.jar:git-Paper-1620] at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78) ~[patched_1.12.2.jar:git-Paper-1620] at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[patched_1.12.2.jar:git-Paper-1620] at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:513) ~[patched_1.12.2.jar:git-Paper-1620] at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.callPrepareAnvilEvent(CraftEventFactory.java:1102) ~[patched_1.12.2.jar:git-Paper-1620] at net.minecraft.server.v1_12_R1.ContainerAnvil.e(ContainerAnvil.java:123) ~[patched_1.12.2.jar:git-Paper-1620] at net.minecraft.server.v1_12_R1.ContainerAnvil.a(ContainerAnvil.java:109) ~[patched_1.12.2.jar:git-Paper-1620] at net.minecraft.server.v1_12_R1.ContainerAnvil$1.update(ContainerAnvil.java:20) ~[patched_1.12.2.jar:git-Paper-1620] at net.minecraft.server.v1_12_R1.Slot.f(SourceFile:84) ~[patched_1.12.2.jar:git-Paper-1620] at net.minecraft.server.v1_12_R1.Slot.a(SourceFile:62) ~[patched_1.12.2.jar:git-Paper-1620] at net.minecraft.server.v1_12_R1.ContainerAnvil.shiftClick(ContainerAnvil.java:350) ~[patched_1.12.2.jar:git-Paper-1620] at net.minecraft.server.v1_12_R1.Container.a(Container.java:251) ~[patched_1.12.2.jar:git-Paper-1620] at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:2010) ~[?:git-Paper-1620] at net.minecraft.server.v1_12_R1.PacketPlayInWindowClick.a(SourceFile:33) ~[patched_1.12.2.jar:git-Paper-1620] at net.minecraft.server.v1_12_R1.PacketPlayInWindowClick.a(SourceFile:10) ~[patched_1.12.2.jar:git-Paper-1620] at net.minecraft.server.v1_12_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:14) ~[patched_1.12.2.jar:git-Paper-1620] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_281] at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_281] at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) ~[patched_1.12.2.jar:git-Paper-1620] at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:850) ~[patched_1.12.2.jar:git-Paper-1620] at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:423) ~[patched_1.12.2.jar:git-Paper-1620] at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:774) ~[patched_1.12.2.jar:git-Paper-1620] at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:666) ~[patched_1.12.2.jar:git-Paper-1620] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_281] Caused by: java.lang.NullPointerException: ItemStack can't be null/Air! at de.tr7zw.nbtapi.NBTItem.<init>(NBTItem.java:42) ~[?:?] at de.tr7zw.nbtapi.NBTItem.<init>(NBTItem.java:28) ~[?:?] at main.java.me.dniym.utils.NBTApiStuff.hasNbtTagLegacy(NBTApiStuff.java:81) ~[?:?] at main.java.me.dniym.utils.NBTStuff.hasNbtTag(NBTStuff.java:135) ~[?:?] at main.java.me.dniym.listeners.ProtectionListener.onRepairAttempt(ProtectionListener.java:111) ~[?:?] at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor370.execute(Unknown Source) ~[?:?] at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:70) ~[patched_1.12.2.jar:git-Paper-1620] ... 23 more

Checklist:

• [X] I included all information required in the sections above
• [X] I made sure there are no duplicates of this report (Use Search)
• [X] I made sure I am using an up-to-date version of IllegalStack
• [X] I made sure the bug/error is not caused by any other plugin

[dniym]

IllegalStack version 2.8 is now out, if you are still experiencing this issue please open a new ticket.