What steps will reproduce the problem?

[10:24:35 ERROR]: Thread Region Scheduler Thread #8 failed main thread check: Accessing entity state off owning region's thread
java.lang.Throwable: null
at io.papermc.paper.util.TickThread.ensureTickThread(TickThread.java:78) ~[kaiiju-1.20.1.jar:git-Kaiiju-"319347e"]
at org.bukkit.craftbukkit.v1_20_R1.entity.CraftZombie.getHandle(CraftZombie.java:25) ~[kaiiju-1.20.1.jar:git-Kaiiju-"319347e"]
at org.bukkit.craftbukkit.v1_20_R1.entity.CraftZombie.getHandle(CraftZombie.java:10) ~[kaiiju-1.20.1.jar:git-Kaiiju-"319347e"]
at org.bukkit.craftbukkit.v1_20_R1.entity.CraftEntity.getCustomName(CraftEntity.java:986) ~[kaiiju-1.20.1.jar:git-Kaiiju-"319347e"]
at com.palmergames.bukkit.towny.tasks.MobRemovalTimerTask.run(MobRemovalTimerTask.java:106) ~[Towny-0.99.2.0.jar:?]
at com.palmergames.bukkit.towny.scheduling.impl.FoliaTaskScheduler.lambda$runRepeating$6(FoliaTaskScheduler.java:87) ~[Towny-0.99.2.0.jar:?]
at io.papermc.paper.threadedregions.scheduler.FoliaGlobalRegionScheduler$GlobalScheduledTask.run(FoliaGlobalRegionScheduler.java:178) ~[kaiiju-1.20.1.jar:?]
at io.papermc.paper.threadedregions.scheduler.FoliaGlobalRegionScheduler.tick(FoliaGlobalRegionScheduler.java:36) ~[kaiiju-1.20.1.jar:?]
at io.papermc.paper.threadedregions.RegionizedServer.globalTick(RegionizedServer.java:283) ~[kaiiju-1.20.1.jar:git-Kaiiju-"319347e"]
at io.papermc.paper.threadedregions.RegionizedServer$GlobalTickTickHandle.tickRegion(RegionizedServer.java:149) ~[kaiiju-1.20.1.jar:git-Kaiiju-"319347e"]
at io.papermc.paper.threadedregions.TickRegionScheduler$RegionScheduleHandle.runTick(TickRegionScheduler.java:385) ~[kaiiju-1.20.1.jar:git-Kaiiju-"319347e"]
at ca.spottedleaf.concurrentutil.scheduler.SchedulerThreadPool$TickThreadRunner.run(SchedulerThreadPool.java:525) ~[kaiiju-1.20.1.jar:git-Kaiiju-"319347e"]
at java.lang.Thread.run(Thread.java:1623) ~[?:?]
[10:24:35 WARN]: [Towny] Global task for Towny v0.99.2.0 generated an exception
java.lang.IllegalStateException: Accessing entity state off owning region's thread
at io.papermc.paper.util.TickThread.ensureTickThread(TickThread.java:79) ~[kaiiju-1.20.1.jar:git-Kaiiju-"319347e"]
at org.bukkit.craftbukkit.v1_20_R1.entity.CraftZombie.getHandle(CraftZombie.java:25) ~[kaiiju-1.20.1.jar:git-Kaiiju-"319347e"]
at org.bukkit.craftbukkit.v1_20_R1.entity.CraftZombie.getHandle(CraftZombie.java:10) ~[kaiiju-1.20.1.jar:git-Kaiiju-"319347e"]
at org.bukkit.craftbukkit.v1_20_R1.entity.CraftEntity.getCustomName(CraftEntity.java:986) ~[kaiiju-1.20.1.jar:git-Kaiiju-"319347e"]
at com.palmergames.bukkit.towny.tasks.MobRemovalTimerTask.run(MobRemovalTimerTask.java:106) ~[Towny-0.99.2.0.jar:?]
at com.palmergames.bukkit.towny.scheduling.impl.FoliaTaskScheduler.lambda$runRepeating$6(FoliaTaskScheduler.java:87) ~[Towny-0.99.2.0.jar:?]
at io.papermc.paper.threadedregions.scheduler.FoliaGlobalRegionScheduler$GlobalScheduledTask.run(FoliaGlobalRegionScheduler.java:178) ~[kaiiju-1.20.1.jar:?]
at io.papermc.paper.threadedregions.scheduler.FoliaGlobalRegionScheduler.tick(FoliaGlobalRegionScheduler.java:36) ~[kaiiju-1.20.1.jar:?]
at io.papermc.paper.threadedregions.RegionizedServer.globalTick(RegionizedServer.java:283) ~[kaiiju-1.20.1.jar:git-Kaiiju-"319347e"]
at io.papermc.paper.threadedregions.RegionizedServer$GlobalTickTickHandle.tickRegion(RegionizedServer.java:149) ~[kaiiju-1.20.1.jar:git-Kaiiju-"319347e"]
at io.papermc.paper.threadedregions.TickRegionScheduler$RegionScheduleHandle.runTick(TickRegionScheduler.java:385) ~[kaiiju-1.20.1.jar:git-Kaiiju-"319347e"]
at ca.spottedleaf.concurrentutil.scheduler.SchedulerThreadPool$TickThreadRunner.run(SchedulerThreadPool.java:525) ~[kaiiju-1.20.1.jar:git-Kaiiju-"319347e"]
at java.lang.Thread.run(Thread.java:1623) ~[?:?]

What is the expected output?

no error reporting

Towny version

0.99.2.0

Server version

[10:26:38 INFO]: Checking version, please wait...
[10:26:39 INFO]: This server is running Kaiiju version git-Kaiiju-"319347e" (MC: 1.20.1) (Implementing API version 1.20.1-R0.1-SNAPSHOT) (Git: 319347e on ver/1.20.1)
You are running the latest version
Previous version: git-Kaiiju-"f91b81c" (MC: 1.20.1)

Please use Pastebin.com to link the following files

1. Your full server startup from the logs\latest.log:
2. Your Towny config.yml:
3. Your townyperms.yml:
4. Your log's error:

(optional) If this is to do with permissions,
5. Your permissions file:

(optional) If this is to do with chat,
6. Your chatconfig.yml:
7. Your channels.yml: