Go to the server and keep swiping this

Terms

[X] I'm using the very latest version of ItemsAdder and its dependencies.
[X] I am sure this is a bug and it is not caused by a misconfiguration or by another plugin.
[X] I've looked for already existing issues on the Issue Tracker and haven't found any.
[X] I already searched on the plugin wiki to know if a solution is already known.
[X] I already searched on the forums to check if anyone already has a solution for this.
[X] I tested this with just ItemsAdder and its dependencies and with a vanilla client of the same version as the Server.
Discord Username (optional)

liangys233
What happened?

I don't know what's causing the problem
Steps to reproduce the issue

Server version

1.21.1-2299-5c0d2f7 (MC: 1.21.1)*
ItemsAdder Version

4.0.2-beta-release-9
ProtocolLib Version

5.3.0-SNAPSHOT-726
LoneLibs Version

1.0.57
Full Server Log

Error (optional)

[17:25:01 ERROR]: [ItemsAdder] Error moving corrupted region to 'corrupted_data' folder
[17:25:01 WARN]: java.io.FileNotFoundException: File system element for parameter 'source' does not exist: '.\sc\itemsadder\region\r.23.35.pregion'
[17:25:01 WARN]:        at org.apache.commons.io.FileUtils.requireExistsChecked(FileUtils.java:2802)
[17:25:01 WARN]:        at org.apache.commons.io.FileUtils.requireFileCopy(FileUtils.java:2833)
[17:25:01 WARN]:        at org.apache.commons.io.FileUtils.copyFile(FileUtils.java:799)
[17:25:01 WARN]:        at org.apache.commons.io.FileUtils.copyFile(FileUtils.java:834)
[17:25:01 WARN]:        at org.apache.commons.io.FileUtils.copyFile(FileUtils.java:742)
[17:25:01 WARN]:        at ItemsAdder_4.0.2-beta-release-9.jar//ia.m.cP.a(SourceFile:134)
[17:25:01 WARN]:        at ItemsAdder_4.0.2-beta-release-9.jar//ia.m.cQ.b(SourceFile:71)
[17:25:01 WARN]:        at ItemsAdder_4.0.2-beta-release-9.jar//ia.m.cQ.b(SourceFile:117)
[17:25:01 WARN]:        at ItemsAdder_4.0.2-beta-release-9.jar//ia.m.G.b(SourceFile:1755)
[17:25:01 WARN]:        at ItemsAdder_4.0.2-beta-release-9.jar//ia.m.G.a(SourceFile:1422)
[17:25:01 WARN]:        at ItemsAdder_4.0.2-beta-release-9.jar//ia.m.cq.a(SourceFile:247)
[17:25:01 WARN]:        at com.destroystokyo.paper.event.executor.MethodHandleEventExecutor.execute(MethodHandleEventExecutor.java:40)
[17:25:01 WARN]:        at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:80)
[17:25:01 WARN]:        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70)
[17:25:01 WARN]:        at io.papermc.paper.plugin.manager.PaperEventManager.callEvent(PaperEventManager.java:54)
[17:25:01 WARN]:        at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.callEvent(PaperPluginManagerImpl.java:131)
[17:25:01 WARN]:        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:630)
[17:25:01 WARN]:        at net.minecraft.world.level.gameevent.GameEventDispatcher.post(GameEventDispatcher.java:34)
[17:25:01 WARN]:        at net.minecraft.server.level.ServerLevel.gameEvent(ServerLevel.java:1764)
[17:25:01 WARN]:        at net.minecraft.world.entity.Entity.vibrationAndSoundEffectsFromBlock(Entity.java:1353)
[17:25:01 WARN]:        at net.minecraft.world.entity.Entity.move(Entity.java:1282)
[17:25:01 WARN]:        at net.minecraft.world.entity.LivingEntity.handleRelativeFrictionAndCalculateMovement(LivingEntity.java:3159)
[17:25:01 WARN]:        at net.minecraft.world.entity.LivingEntity.travel(LivingEntity.java:3093)
[17:25:01 WARN]:        at net.minecraft.world.entity.ambient.Bat.travel(Bat.java:89)
[17:25:01 WARN]:        at net.minecraft.world.entity.LivingEntity.aiStep(LivingEntity.java:3619)
[17:25:01 WARN]:        at net.minecraft.world.entity.Mob.aiStep(Mob.java:708)
[17:25:01 WARN]:        at net.minecraft.world.entity.LivingEntity.tick(LivingEntity.java:3267)
[17:25:01 WARN]:        at net.minecraft.world.entity.Mob.tick(Mob.java:469)
[17:25:01 WARN]:        at net.minecraft.world.entity.ambient.Bat.tick(Bat.java:169)
[17:25:01 WARN]:        at net.minecraft.server.level.ServerLevel.tickNonPassenger(ServerLevel.java:1330)
[17:25:01 WARN]:        at net.minecraft.server.level.ServerLevel.lambda$tick$4(ServerLevel.java:761)
[17:25:01 WARN]:        at net.minecraft.world.level.entity.EntityTickList.forEach(EntityTickList.java:39)
[17:25:01 WARN]:        at net.minecraft.server.level.ServerLevel.tick(ServerLevel.java:738)
[17:25:01 WARN]:        at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1844)
[17:25:01 WARN]:        at net.minecraft.server.dedicated.DedicatedServer.tickChildren(DedicatedServer.java:513)
[17:25:01 WARN]:        at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1635)
[17:25:01 WARN]:        at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1335)
[17:25:01 WARN]:        at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:334)
[17:25:01 WARN]:        at java.base/java.lang.Thread.run(Thread.java:1583)
[17:25:01 ERROR]: Could not pass event GenericGameEvent to ItemsAdder v4.0.2-beta-release-9
java.lang.NullPointerException: Cannot invoke "ia.m.da.isCustomBlock(org.bukkit.block.Block)" because "<local3>" is null
        at ItemsAdder_4.0.2-beta-release-9.jar/ia.m.G.a(SourceFile:1423) ~[ItemsAdder_4.0.2-beta-release-9.jar:?]
        at ItemsAdder_4.0.2-beta-release-9.jar/ia.m.cq.a(SourceFile:247) ~[ItemsAdder_4.0.2-beta-release-9.jar:?]
        at com.destroystokyo.paper.event.executor.MethodHandleEventExecutor.execute(MethodHandleEventExecutor.java:40) ~[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:1.21.1-2299-5c0d2f7]
        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) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.callEvent(PaperPluginManagerImpl.java:131) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:630) ~[paper-mojangapi-1.21.1-R0.1-SNAPSHOT.jar:?]
        at net.minecraft.world.level.gameevent.GameEventDispatcher.post(GameEventDispatcher.java:34) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.server.level.ServerLevel.gameEvent(ServerLevel.java:1764) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.world.entity.Entity.vibrationAndSoundEffectsFromBlock(Entity.java:1353) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.world.entity.Entity.move(Entity.java:1282) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.world.entity.LivingEntity.handleRelativeFrictionAndCalculateMovement(LivingEntity.java:3159) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.world.entity.LivingEntity.travel(LivingEntity.java:3093) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.world.entity.ambient.Bat.travel(Bat.java:89) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.world.entity.LivingEntity.aiStep(LivingEntity.java:3619) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.world.entity.Mob.aiStep(Mob.java:708) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.world.entity.LivingEntity.tick(LivingEntity.java:3267) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.world.entity.Mob.tick(Mob.java:469) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.world.entity.ambient.Bat.tick(Bat.java:169) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.server.level.ServerLevel.tickNonPassenger(ServerLevel.java:1330) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.server.level.ServerLevel.lambda$tick$4(ServerLevel.java:761) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.world.level.entity.EntityTickList.forEach(EntityTickList.java:39) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.server.level.ServerLevel.tick(ServerLevel.java:738) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1844) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.server.dedicated.DedicatedServer.tickChildren(DedicatedServer.java:513) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1635) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1335) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:334) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at java.base/java.lang.Thread.run(Thread.java:1583) ~[?:?]
[17:25:02 ERROR]: [ItemsAdder] Corrupted region data! Copying it into '_corrupted' folder.
[17:25:02 WARN]: java.lang.NoClassDefFoundError: io/protostuff/Message
[17:25:02 WARN]:        at ItemsAdder_4.0.2-beta-release-9.jar//ia.m.cY.fO(SourceFile:64)
[17:25:02 WARN]:        at ItemsAdder_4.0.2-beta-release-9.jar//ia.m.da.<init>(SourceFile:87)
[17:25:02 WARN]:        at ItemsAdder_4.0.2-beta-release-9.jar//ia.m.cP.a(SourceFile:123)
[17:25:02 WARN]:        at ItemsAdder_4.0.2-beta-release-9.jar//ia.m.cQ.b(SourceFile:71)
[17:25:02 WARN]:        at ItemsAdder_4.0.2-beta-release-9.jar//ia.m.cQ.b(SourceFile:117)
[17:25:02 WARN]:        at ItemsAdder_4.0.2-beta-release-9.jar//ia.m.G.b(SourceFile:1755)
[17:25:02 WARN]:        at ItemsAdder_4.0.2-beta-release-9.jar//ia.m.G.a(SourceFile:1422)
[17:25:02 WARN]:        at ItemsAdder_4.0.2-beta-release-9.jar//ia.m.cq.a(SourceFile:247)
[17:25:02 WARN]:        at com.destroystokyo.paper.event.executor.MethodHandleEventExecutor.execute(MethodHandleEventExecutor.java:40)
[17:25:02 WARN]:        at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:80)
[17:25:02 WARN]:        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70)
[17:25:02 WARN]:        at io.papermc.paper.plugin.manager.PaperEventManager.callEvent(PaperEventManager.java:54)
[17:25:02 WARN]:        at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.callEvent(PaperPluginManagerImpl.java:131)
[17:25:02 WARN]:        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:630)
[17:25:02 WARN]:        at net.minecraft.world.level.gameevent.GameEventDispatcher.post(GameEventDispatcher.java:34)
[17:25:02 WARN]:        at net.minecraft.server.level.ServerLevel.gameEvent(ServerLevel.java:1764)
[17:25:02 WARN]:        at net.minecraft.world.entity.Entity.vibrationAndSoundEffectsFromBlock(Entity.java:1353)
[17:25:02 WARN]:        at net.minecraft.world.entity.Entity.move(Entity.java:1282)
[17:25:02 WARN]:        at net.minecraft.world.entity.LivingEntity.handleRelativeFrictionAndCalculateMovement(LivingEntity.java:3159)
[17:25:02 WARN]:        at net.minecraft.world.entity.LivingEntity.travel(LivingEntity.java:3093)
[17:25:02 WARN]:        at net.minecraft.world.entity.ambient.Bat.travel(Bat.java:89)
[17:25:02 WARN]:        at net.minecraft.world.entity.LivingEntity.aiStep(LivingEntity.java:3619)
[17:25:02 WARN]:        at net.minecraft.world.entity.Mob.aiStep(Mob.java:708)
[17:25:02 WARN]:        at net.minecraft.world.entity.LivingEntity.tick(LivingEntity.java:3267)
[17:25:02 WARN]:        at net.minecraft.world.entity.Mob.tick(Mob.java:469)
[17:25:02 WARN]:        at net.minecraft.world.entity.ambient.Bat.tick(Bat.java:169)
[17:25:02 WARN]:        at net.minecraft.server.level.ServerLevel.tickNonPassenger(ServerLevel.java:1330)
[17:25:02 WARN]:        at net.minecraft.server.level.ServerLevel.lambda$tick$4(ServerLevel.java:761)
[17:25:02 WARN]:        at net.minecraft.world.level.entity.EntityTickList.forEach(EntityTickList.java:39)
[17:25:02 WARN]:        at net.minecraft.server.level.ServerLevel.tick(ServerLevel.java:738)
[17:25:02 WARN]:        at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1844)
[17:25:02 WARN]:        at net.minecraft.server.dedicated.DedicatedServer.tickChildren(DedicatedServer.java:513)
[17:25:02 WARN]:        at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1635)
[17:25:02 WARN]:        at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1335)
[17:25:02 WARN]:        at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:334)
[17:25:02 WARN]:        at java.base/java.lang.Thread.run(Thread.java:1583)
[17:25:02 WARN]: Caused by: java.lang.ClassNotFoundException: io.protostuff.Message
[17:25:02 WARN]:        ... 36 more
[17:25:02 ERROR]: [ItemsAdder] Error moving corrupted region to 'corrupted_data' folder
[17:25:02 WARN]: java.io.FileNotFoundException: File system element for parameter 'source' does not exist: '.\sc\itemsadder\region\r.23.35.pregion'
[17:25:02 WARN]:        at org.apache.commons.io.FileUtils.requireExistsChecked(FileUtils.java:2802)
[17:25:02 WARN]:        at org.apache.commons.io.FileUtils.requireFileCopy(FileUtils.java:2833)
[17:25:02 WARN]:        at org.apache.commons.io.FileUtils.copyFile(FileUtils.java:799)
[17:25:02 WARN]:        at org.apache.commons.io.FileUtils.copyFile(FileUtils.java:834)
[17:25:02 WARN]:        at org.apache.commons.io.FileUtils.copyFile(FileUtils.java:742)
[17:25:02 WARN]:        at ItemsAdder_4.0.2-beta-release-9.jar//ia.m.cP.a(SourceFile:134)
[17:25:02 WARN]:        at ItemsAdder_4.0.2-beta-release-9.jar//ia.m.cQ.b(SourceFile:71)
[17:25:02 WARN]:        at ItemsAdder_4.0.2-beta-release-9.jar//ia.m.cQ.b(SourceFile:117)
[17:25:02 WARN]:        at ItemsAdder_4.0.2-beta-release-9.jar//ia.m.G.b(SourceFile:1755)
[17:25:02 WARN]:        at ItemsAdder_4.0.2-beta-release-9.jar//ia.m.G.a(SourceFile:1422)
[17:25:02 WARN]:        at ItemsAdder_4.0.2-beta-release-9.jar//ia.m.cq.a(SourceFile:247)
[17:25:02 WARN]:        at com.destroystokyo.paper.event.executor.MethodHandleEventExecutor.execute(MethodHandleEventExecutor.java:40)
[17:25:02 WARN]:        at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:80)
[17:25:02 WARN]:        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70)
[17:25:02 WARN]:        at io.papermc.paper.plugin.manager.PaperEventManager.callEvent(PaperEventManager.java:54)
[17:25:02 WARN]:        at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.callEvent(PaperPluginManagerImpl.java:131)
[17:25:02 WARN]:        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:630)
[17:25:02 WARN]:        at net.minecraft.world.level.gameevent.GameEventDispatcher.post(GameEventDispatcher.java:34)
[17:25:02 WARN]:        at net.minecraft.server.level.ServerLevel.gameEvent(ServerLevel.java:1764)
[17:25:02 WARN]:        at net.minecraft.world.entity.Entity.vibrationAndSoundEffectsFromBlock(Entity.java:1353)
[17:25:02 WARN]:        at net.minecraft.world.entity.Entity.move(Entity.java:1282)
[17:25:02 WARN]:        at net.minecraft.world.entity.LivingEntity.handleRelativeFrictionAndCalculateMovement(LivingEntity.java:3159)
[17:25:02 WARN]:        at net.minecraft.world.entity.LivingEntity.travel(LivingEntity.java:3093)
[17:25:02 WARN]:        at net.minecraft.world.entity.ambient.Bat.travel(Bat.java:89)
[17:25:02 WARN]:        at net.minecraft.world.entity.LivingEntity.aiStep(LivingEntity.java:3619)
[17:25:02 WARN]:        at net.minecraft.world.entity.Mob.aiStep(Mob.java:708)
[17:25:02 WARN]:        at net.minecraft.world.entity.LivingEntity.tick(LivingEntity.java:3267)
[17:25:02 WARN]:        at net.minecraft.world.entity.Mob.tick(Mob.java:469)
[17:25:02 WARN]:        at net.minecraft.world.entity.ambient.Bat.tick(Bat.java:169)
[17:25:02 WARN]:        at net.minecraft.server.level.ServerLevel.tickNonPassenger(ServerLevel.java:1330)
[17:25:02 WARN]:        at net.minecraft.server.level.ServerLevel.lambda$tick$4(ServerLevel.java:761)
[17:25:02 WARN]:        at net.minecraft.world.level.entity.EntityTickList.forEach(EntityTickList.java:39)
[17:25:02 WARN]:        at net.minecraft.server.level.ServerLevel.tick(ServerLevel.java:738)
[17:25:02 WARN]:        at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1844)
[17:25:02 WARN]:        at net.minecraft.server.dedicated.DedicatedServer.tickChildren(DedicatedServer.java:513)
[17:25:02 WARN]:        at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1635)
[17:25:02 WARN]:        at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1335)
[17:25:02 WARN]:        at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:334)
[17:25:02 WARN]:        at java.base/java.lang.Thread.run(Thread.java:1583)
[17:25:02 ERROR]: Could not pass event GenericGameEvent to ItemsAdder v4.0.2-beta-release-9
java.lang.NullPointerException: Cannot invoke "ia.m.da.isCustomBlock(org.bukkit.block.Block)" because "<local3>" is null
        at ItemsAdder_4.0.2-beta-release-9.jar/ia.m.G.a(SourceFile:1423) ~[ItemsAdder_4.0.2-beta-release-9.jar:?]
        at ItemsAdder_4.0.2-beta-release-9.jar/ia.m.cq.a(SourceFile:247) ~[ItemsAdder_4.0.2-beta-release-9.jar:?]
        at com.destroystokyo.paper.event.executor.MethodHandleEventExecutor.execute(MethodHandleEventExecutor.java:40) ~[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:1.21.1-2299-5c0d2f7]
        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) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.callEvent(PaperPluginManagerImpl.java:131) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:630) ~[paper-mojangapi-1.21.1-R0.1-SNAPSHOT.jar:?]
        at net.minecraft.world.level.gameevent.GameEventDispatcher.post(GameEventDispatcher.java:34) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.server.level.ServerLevel.gameEvent(ServerLevel.java:1764) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.world.entity.Entity.vibrationAndSoundEffectsFromBlock(Entity.java:1353) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.world.entity.Entity.move(Entity.java:1282) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.world.entity.LivingEntity.handleRelativeFrictionAndCalculateMovement(LivingEntity.java:3159) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.world.entity.LivingEntity.travel(LivingEntity.java:3093) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.world.entity.ambient.Bat.travel(Bat.java:89) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.world.entity.LivingEntity.aiStep(LivingEntity.java:3619) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.world.entity.Mob.aiStep(Mob.java:708) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.world.entity.LivingEntity.tick(LivingEntity.java:3267) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.world.entity.Mob.tick(Mob.java:469) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.world.entity.ambient.Bat.tick(Bat.java:169) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.server.level.ServerLevel.tickNonPassenger(ServerLevel.java:1330) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.server.level.ServerLevel.lambda$tick$4(ServerLevel.java:761) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.world.level.entity.EntityTickList.forEach(EntityTickList.java:39) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.server.level.ServerLevel.tick(ServerLevel.java:738) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1844) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.server.dedicated.DedicatedServer.tickChildren(DedicatedServer.java:513) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1635) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1335) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:334) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at java.base/java.lang.Thread.run(Thread.java:1583) ~[?:?]
[17:25:02 ERROR]: [ItemsAdder] Corrupted region data! Copying it into '_corrupted' folder.
[17:25:02 WARN]: java.lang.NoClassDefFoundError: io/protostuff/Message
[17:25:02 WARN]:        at ItemsAdder_4.0.2-beta-release-9.jar//ia.m.cY.fO(SourceFile:64)
[17:25:02 WARN]:        at ItemsAdder_4.0.2-beta-release-9.jar//ia.m.da.<init>(SourceFile:87)
[17:25:02 WARN]:        at ItemsAdder_4.0.2-beta-release-9.jar//ia.m.cP.a(SourceFile:123)
[17:25:02 WARN]:        at ItemsAdder_4.0.2-beta-release-9.jar//ia.m.cQ.b(SourceFile:71)
[17:25:02 WARN]:        at ItemsAdder_4.0.2-beta-release-9.jar//ia.m.cQ.b(SourceFile:117)
[17:25:02 WARN]:        at ItemsAdder_4.0.2-beta-release-9.jar//ia.m.G.b(SourceFile:1755)
[17:25:02 WARN]:        at ItemsAdder_4.0.2-beta-release-9.jar//ia.m.G.a(SourceFile:1422)
[17:25:02 WARN]:        at ItemsAdder_4.0.2-beta-release-9.jar//ia.m.cq.a(SourceFile:247)
[17:25:02 WARN]:        at com.destroystokyo.paper.event.executor.MethodHandleEventExecutor.execute(MethodHandleEventExecutor.java:40)
[17:25:02 WARN]:        at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:80)
[17:25:02 WARN]:        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70)
[17:25:02 WARN]:        at io.papermc.paper.plugin.manager.PaperEventManager.callEvent(PaperEventManager.java:54)
[17:25:02 WARN]:        at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.callEvent(PaperPluginManagerImpl.java:131)
[17:25:02 WARN]:        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:630)
[17:25:02 WARN]:        at net.minecraft.world.level.gameevent.GameEventDispatcher.post(GameEventDispatcher.java:34)
[17:25:02 WARN]:        at net.minecraft.server.level.ServerLevel.gameEvent(ServerLevel.java:1764)
[17:25:02 WARN]:        at net.minecraft.world.entity.Entity.vibrationAndSoundEffectsFromBlock(Entity.java:1353)
[17:25:02 WARN]:        at net.minecraft.world.entity.Entity.move(Entity.java:1282)
[17:25:02 WARN]:        at net.minecraft.world.entity.LivingEntity.handleRelativeFrictionAndCalculateMovement(LivingEntity.java:3159)
[17:25:02 WARN]:        at net.minecraft.world.entity.LivingEntity.travel(LivingEntity.java:3093)
[17:25:02 WARN]:        at net.minecraft.world.entity.ambient.Bat.travel(Bat.java:89)
[17:25:02 WARN]:        at net.minecraft.world.entity.LivingEntity.aiStep(LivingEntity.java:3619)
[17:25:02 WARN]:        at net.minecraft.world.entity.Mob.aiStep(Mob.java:708)
[17:25:02 WARN]:        at net.minecraft.world.entity.LivingEntity.tick(LivingEntity.java:3267)
[17:25:02 WARN]:        at net.minecraft.world.entity.Mob.tick(Mob.java:469)
[17:25:02 WARN]:        at net.minecraft.world.entity.ambient.Bat.tick(Bat.java:169)
[17:25:02 WARN]:        at net.minecraft.server.level.ServerLevel.tickNonPassenger(ServerLevel.java:1330)
[17:25:02 WARN]:        at net.minecraft.server.level.ServerLevel.lambda$tick$4(ServerLevel.java:761)
[17:25:02 WARN]:        at net.minecraft.world.level.entity.EntityTickList.forEach(EntityTickList.java:39)
[17:25:02 WARN]:        at net.minecraft.server.level.ServerLevel.tick(ServerLevel.java:738)
[17:25:02 WARN]:        at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1844)
[17:25:02 WARN]:        at net.minecraft.server.dedicated.DedicatedServer.tickChildren(DedicatedServer.java:513)
[17:25:02 WARN]:        at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1635)
[17:25:02 WARN]:        at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1335)
[17:25:02 WARN]:        at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:334)
[17:25:02 WARN]:        at java.base/java.lang.Thread.run(Thread.java:1583)
[17:25:02 WARN]: Caused by: java.lang.ClassNotFoundException: io.protostuff.Message
[17:25:02 WARN]:        ... 36 more
[17:25:02 ERROR]: [ItemsAdder] Error moving corrupted region to 'corrupted_data' folder
[17:25:02 WARN]: java.io.FileNotFoundException: File system element for parameter 'source' does not exist: '.\sc\itemsadder\region\r.23.35.pregion'
[17:25:02 WARN]:        at org.apache.commons.io.FileUtils.requireExistsChecked(FileUtils.java:2802)
[17:25:02 WARN]:        at org.apache.commons.io.FileUtils.requireFileCopy(FileUtils.java:2833)
[17:25:02 WARN]:        at org.apache.commons.io.FileUtils.copyFile(FileUtils.java:799)
[17:25:02 WARN]:        at org.apache.commons.io.FileUtils.copyFile(FileUtils.java:834)
[17:25:02 WARN]:        at org.apache.commons.io.FileUtils.copyFile(FileUtils.java:742)
[17:25:02 WARN]:        at ItemsAdder_4.0.2-beta-release-9.jar//ia.m.cP.a(SourceFile:134)
[17:25:02 WARN]:        at ItemsAdder_4.0.2-beta-release-9.jar//ia.m.cQ.b(SourceFile:71)
[17:25:02 WARN]:        at ItemsAdder_4.0.2-beta-release-9.jar//ia.m.cQ.b(SourceFile:117)
[17:25:02 WARN]:        at ItemsAdder_4.0.2-beta-release-9.jar//ia.m.G.b(SourceFile:1755)
[17:25:02 WARN]:        at ItemsAdder_4.0.2-beta-release-9.jar//ia.m.G.a(SourceFile:1422)
[17:25:02 WARN]:        at ItemsAdder_4.0.2-beta-release-9.jar//ia.m.cq.a(SourceFile:247)
[17:25:02 WARN]:        at com.destroystokyo.paper.event.executor.MethodHandleEventExecutor.execute(MethodHandleEventExecutor.java:40)
[17:25:02 WARN]:        at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:80)
[17:25:02 WARN]:        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70)
[17:25:02 WARN]:        at io.papermc.paper.plugin.manager.PaperEventManager.callEvent(PaperEventManager.java:54)
[17:25:02 WARN]:        at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.callEvent(PaperPluginManagerImpl.java:131)
[17:25:02 WARN]:        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:630)
[17:25:02 WARN]:        at net.minecraft.world.level.gameevent.GameEventDispatcher.post(GameEventDispatcher.java:34)
[17:25:02 WARN]:        at net.minecraft.server.level.ServerLevel.gameEvent(ServerLevel.java:1764)
[17:25:02 WARN]:        at net.minecraft.world.entity.Entity.vibrationAndSoundEffectsFromBlock(Entity.java:1353)
[17:25:02 WARN]:        at net.minecraft.world.entity.Entity.move(Entity.java:1282)
[17:25:02 WARN]:        at net.minecraft.world.entity.LivingEntity.handleRelativeFrictionAndCalculateMovement(LivingEntity.java:3159)
[17:25:02 WARN]:        at net.minecraft.world.entity.LivingEntity.travel(LivingEntity.java:3093)
[17:25:02 WARN]:        at net.minecraft.world.entity.ambient.Bat.travel(Bat.java:89)
[17:25:02 WARN]:        at net.minecraft.world.entity.LivingEntity.aiStep(LivingEntity.java:3619)
[17:25:02 WARN]:        at net.minecraft.world.entity.Mob.aiStep(Mob.java:708)
[17:25:02 WARN]:        at net.minecraft.world.entity.LivingEntity.tick(LivingEntity.java:3267)
[17:25:02 WARN]:        at net.minecraft.world.entity.Mob.tick(Mob.java:469)
[17:25:02 WARN]:        at net.minecraft.world.entity.ambient.Bat.tick(Bat.java:169)
[17:25:02 WARN]:        at net.minecraft.server.level.ServerLevel.tickNonPassenger(ServerLevel.java:1330)
[17:25:02 WARN]:        at net.minecraft.server.level.ServerLevel.lambda$tick$4(ServerLevel.java:761)
[17:25:02 WARN]:        at net.minecraft.world.level.entity.EntityTickList.forEach(EntityTickList.java:39)
[17:25:02 WARN]:        at net.minecraft.server.level.ServerLevel.tick(ServerLevel.java:738)
[17:25:02 WARN]:        at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1844)
[17:25:02 WARN]:        at net.minecraft.server.dedicated.DedicatedServer.tickChildren(DedicatedServer.java:513)
[17:25:02 WARN]:        at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1635)
[17:25:02 WARN]:        at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1335)
[17:25:02 WARN]:        at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:334)
[17:25:02 WARN]:        at java.base/java.lang.Thread.run(Thread.java:1583)
[17:25:02 ERROR]: Could not pass event GenericGameEvent to ItemsAdder v4.0.2-beta-release-9
java.lang.NullPointerException: Cannot invoke "ia.m.da.isCustomBlock(org.bukkit.block.Block)" because "<local3>" is null
        at ItemsAdder_4.0.2-beta-release-9.jar/ia.m.G.a(SourceFile:1423) ~[ItemsAdder_4.0.2-beta-release-9.jar:?]
        at ItemsAdder_4.0.2-beta-release-9.jar/ia.m.cq.a(SourceFile:247) ~[ItemsAdder_4.0.2-beta-release-9.jar:?]
        at com.destroystokyo.paper.event.executor.MethodHandleEventExecutor.execute(MethodHandleEventExecutor.java:40) ~[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:1.21.1-2299-5c0d2f7]
        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) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.callEvent(PaperPluginManagerImpl.java:131) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:630) ~[paper-mojangapi-1.21.1-R0.1-SNAPSHOT.jar:?]
        at net.minecraft.world.level.gameevent.GameEventDispatcher.post(GameEventDispatcher.java:34) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.server.level.ServerLevel.gameEvent(ServerLevel.java:1764) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.world.entity.Entity.vibrationAndSoundEffectsFromBlock(Entity.java:1353) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.world.entity.Entity.move(Entity.java:1282) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.world.entity.LivingEntity.handleRelativeFrictionAndCalculateMovement(LivingEntity.java:3159) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.world.entity.LivingEntity.travel(LivingEntity.java:3093) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.world.entity.ambient.Bat.travel(Bat.java:89) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.world.entity.LivingEntity.aiStep(LivingEntity.java:3619) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.world.entity.Mob.aiStep(Mob.java:708) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.world.entity.LivingEntity.tick(LivingEntity.java:3267) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.world.entity.Mob.tick(Mob.java:469) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.world.entity.ambient.Bat.tick(Bat.java:169) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.server.level.ServerLevel.tickNonPassenger(ServerLevel.java:1330) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.server.level.ServerLevel.lambda$tick$4(ServerLevel.java:761) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.world.level.entity.EntityTickList.forEach(EntityTickList.java:39) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.server.level.ServerLevel.tick(ServerLevel.java:738) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1844) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.server.dedicated.DedicatedServer.tickChildren(DedicatedServer.java:513) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1635) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1335) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:334) ~[purpur-1.21.1.jar:1.21.1-2299-5c0d2f7]
        at java.base/java.lang.Thread.run(Thread.java:1583) ~[?:?]
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PluginBugs / Issues-ItemsAdder

Go to the server and keep swiping this #3972

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