[20:40:06] [Region Scheduler Thread #13/ERROR]: Could not pass event EntityDropItemEvent to AnvilFallingFix v1.2
java.lang.UnsupportedOperationException: null
at org.bukkit.craftbukkit.scheduler.CraftScheduler.handle(CraftScheduler.java:524) ~[folia-1.21.1.jar:1.21.1-DEV-88e0907]
at org.bukkit.craftbukkit.scheduler.CraftScheduler.runTaskTimer(CraftScheduler.java:228) ~[folia-1.21.1.jar:1.21.1-DEV-88e0907]
at org.bukkit.craftbukkit.scheduler.CraftScheduler.runTaskTimer(CraftScheduler.java:210) ~[folia-1.21.1.jar:1.21.1-DEV-88e0907]
at org.bukkit.craftbukkit.scheduler.CraftScheduler.runTaskLater(CraftScheduler.java:174) ~[folia-1.21.1.jar:1.21.1-DEV-88e0907]
at AnvilFallingFix-1.2.jar/io.github.aplini.anvilFallingFix.AnvilFallingFix.onBlockBreak2(AnvilFallingFix.java:55) ~[AnvilFallingFix-1.2.jar:?]
at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor493.execute(Unknown Source) ~[?:?]
at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:77) ~[paper-mojangapi-1.21.1-R0.1-SNAPSHOT.jar:?]
at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:80) ~[paper-mojangapi-1.21.1-R0.1-SNAPSHOT.jar:1.21.1-DEV-88e0907]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[paper-mojangapi-1.21.1-R0.1-SNAPSHOT.jar:?]
at io.papermc.paper.plugin.manager.PaperEventManager.callEvent(PaperEventManager.java:54) ~[folia-1.21.1.jar:1.21.1-DEV-88e0907]
at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.callEvent(PaperPluginManagerImpl.java:131) ~[folia-1.21.1.jar:1.21.1-DEV-88e0907]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:628) ~[paper-mojangapi-1.21.1-R0.1-SNAPSHOT.jar:?]
at net.minecraft.world.entity.Entity.spawnAtLocation(Entity.java:2846) ~[folia-1.21.1.jar:1.21.1-DEV-88e0907]
at net.minecraft.world.entity.Entity.spawnAtLocation(Entity.java:2837) ~[folia-1.21.1.jar:1.21.1-DEV-88e0907]
at net.minecraft.world.entity.Entity.spawnAtLocation(Entity.java:2796) ~[folia-1.21.1.jar:1.21.1-DEV-88e0907]
at net.minecraft.world.entity.Entity.spawnAtLocation(Entity.java:2785) ~[folia-1.21.1.jar:1.21.1-DEV-88e0907]
at net.minecraft.world.entity.Entity.spawnAtLocation(Entity.java:2780) ~[folia-1.21.1.jar:1.21.1-DEV-88e0907]
at net.minecraft.world.entity.item.FallingBlockEntity.tick(FallingBlockEntity.java:246) ~[folia-1.21.1.jar:1.21.1-DEV-88e0907]
at net.minecraft.server.level.ServerLevel.tickNonPassenger(ServerLevel.java:1392) ~[folia-1.21.1.jar:1.21.1-DEV-88e0907]
at net.minecraft.world.level.Level.guardEntityTick(Level.java:1469) ~[folia-1.21.1.jar:1.21.1-DEV-88e0907]
at net.minecraft.server.level.ServerLevel.lambda$tick$4(ServerLevel.java:828) ~[folia-1.21.1.jar:1.21.1-DEV-88e0907]
at io.papermc.paper.threadedregions.RegionizedWorldData.forEachTickingEntity(RegionizedWorldData.java:581) ~[folia-1.21.1.jar:1.21.1-DEV-88e0907]
at net.minecraft.server.level.ServerLevel.tick(ServerLevel.java:807) ~[folia-1.21.1.jar:1.21.1-DEV-88e0907]
at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1894) ~[folia-1.21.1.jar:1.21.1-DEV-88e0907]
at net.minecraft.server.dedicated.DedicatedServer.tickChildren(DedicatedServer.java:473) ~[folia-1.21.1.jar:1.21.1-DEV-88e0907]
at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1722) ~[folia-1.21.1.jar:1.21.1-DEV-88e0907]
at io.papermc.paper.threadedregions.TickRegions$ConcreteRegionTickHandle.tickRegion(TickRegions.java:407) ~[folia-1.21.1.jar:1.21.1-DEV-88e0907]
at io.papermc.paper.threadedregions.TickRegionScheduler$RegionScheduleHandle.runTick(TickRegionScheduler.java:418) ~[folia-1.21.1.jar:1.21.1-DEV-88e0907]
at ca.spottedleaf.concurrentutil.scheduler.SchedulerThreadPool$TickThreadRunner.run(SchedulerThreadPool.java:540) ~[folia-1.21.1.jar:1.21.1-DEV-88e0907]
at java.base/java.lang.Thread.run(Thread.java:1583) ~[?:?]