[02:21:02 ERROR]: Could not pass event AsyncEntityDeathEventImpl to WorldGuard v7.0.13-beta-2+5c4848b
java.lang.IllegalStateException: SpawnEntityEvent may only be triggered synchronously.
        at io.papermc.paper.plugin.manager.PaperEventManager.callEvent(PaperEventManager.java:42) ~[paper-1.21.4.jar:1.21.4-126-fb5b173]
        at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.callEvent(PaperPluginManagerImpl.java:131) ~[paper-1.21.4.jar:1.21.4-126-fb5b173]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:628) ~[paper-api-1.21.4-R0.1-SNAPSHOT.jar:?]
        at worldguard-bukkit-7.0.13-beta-2-dist.jar/com.sk89q.worldguard.bukkit.util.Events.fireAndTestCancel(Events.java:60) ~[worldguard-bukkit-7.0.13-beta-2-dist.jar:?]
        at worldguard-bukkit-7.0.13-beta-2-dist.jar/com.sk89q.worldguard.bukkit.listener.EventAbstractionListener.onEntityDeath(EventAbstractionListener.java:844) ~[worldguard-bukkit-7.0.13-beta-2-dist.jar:?]
        at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:80) ~[paper-api-1.21.4-R0.1-SNAPSHOT.jar:?]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[paper-api-1.21.4-R0.1-SNAPSHOT.jar:?]
        at io.papermc.paper.plugin.manager.PaperEventManager.callEvent(PaperEventManager.java:54) ~[paper-1.21.4.jar:1.21.4-126-fb5b173]
        at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.callEvent(PaperPluginManagerImpl.java:131) ~[paper-1.21.4.jar:1.21.4-126-fb5b173]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:628) ~[paper-api-1.21.4-R0.1-SNAPSHOT.jar:?]
        at RoseStacker-1.5.33.jar/dev.rosewood.rosestacker.stack.StackedEntity.calculateEntityDrops(StackedEntity.java:509) ~[RoseStacker-1.5.33.jar:?]
        at RoseStacker-1.5.33.jar/dev.rosewood.rosestacker.stack.StackedEntity.calculateEntityDrops(StackedEntity.java:420) ~[RoseStacker-1.5.33.jar:?]
        at RoseStacker-1.5.33.jar/dev.rosewood.rosestacker.stack.StackedEntity.lambda$dropPartialStackLoot$1(StackedEntity.java:257) ~[RoseStacker-1.5.33.jar:?]
        at RoseStacker-1.5.33.jar/dev.rosewood.rosestacker.stack.StackedEntity.lambda$calculateAndDropPartialStackLoot$5(StackedEntity.java:291) ~[RoseStacker-1.5.33.jar:?]
        at RoseStacker-1.5.33.jar/dev.rosewood.rosestacker.lib.rosegarden.scheduler.RoseScheduler.lambda$wrap$0(RoseScheduler.java:158) ~[RoseStacker-1.5.33.jar:?]
        at org.bukkit.craftbukkit.scheduler.CraftTask.run(CraftTask.java:78) ~[paper-1.21.4.jar:1.21.4-126-fb5b173]
        at org.bukkit.craftbukkit.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:57) ~[paper-1.21.4.jar:1.21.4-126-fb5b173]
        at com.destroystokyo.paper.ServerSchedulerReportingWrapper.run(ServerSchedulerReportingWrapper.java:22) ~[paper-1.21.4.jar:?]
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) ~[?:?]
        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) ~[?:?]