Version 1.9.0.1 crashed the server.

[xuanangmc]

Here is the information output by the server when it crashes.

[17:53:59] [Server thread/ERROR]: Could not pass event ChunkLoadEvent to ImageFrame v1.9.0.1
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:310)
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70)
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:601)
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:588)
        at net.minecraft.world.level.chunk.Chunk.loadCallback(Chunk.java:602)
        at net.minecraft.server.level.PlayerChunk.lambda$updateFutures$10(PlayerChunk.java:416)
        at net.minecraft.server.level.PlayerChunkMap$CallbackExecutor.run(PlayerChunkMap.java:177)
        at net.minecraft.server.level.PlayerChunk.callEventIfUnloading(PlayerChunk.java:348)
        at net.minecraft.server.level.ChunkMapDistance.a(ChunkMapDistance.java:82)
        at net.minecraft.server.level.ChunkProviderServer.d(ChunkProviderServer.java:297)
        at net.minecraft.server.level.ChunkProviderServer$a.E(ChunkProviderServer.java:697)
        at net.minecraft.server.level.ChunkProviderServer.c(ChunkProviderServer.java:293)
        at net.minecraft.server.MinecraftServer.bC(MinecraftServer.java:1331)
        at net.minecraft.server.MinecraftServer.E(MinecraftServer.java:1319)
        at net.minecraft.util.thread.IAsyncTaskHandler.bN(SourceFile:124)
        at net.minecraft.server.MinecraftServer.w_(MinecraftServer.java:1282)
        at net.minecraft.server.MinecraftServer.A(MinecraftServer.java:1129)
        at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:340)
        at java.base/java.lang.Thread.run(Thread.java:1583)
Caused by: java.lang.NullPointerException: Cannot invoke "it.unimi.dsi.fastutil.objects.ReferenceArrayList.get(int)" because "this.wrapped" is null
        at it.unimi.dsi.fastutil.objects.ReferenceOpenHashSet$SetIterator.next(ReferenceOpenHashSet.java:522)
        at net.minecraft.server.level.ChunkMapDistance.a(ChunkMapDistance.java:81)
        at net.minecraft.server.level.ChunkProviderServer.d(ChunkProviderServer.java:297)
        at net.minecraft.server.level.ChunkProviderServer.c(ChunkProviderServer.java:255)
        at net.minecraft.server.level.ChunkProviderServer.a(ChunkProviderServer.java:155)
        at net.minecraft.world.level.World.a(World.java:260)
        at org.bukkit.craftbukkit.v1_21_R7.CraftWorld.getChunkAt(CraftWorld.java:227)
        at org.bukkit.craftbukkit.v1_21_R7.CraftChunk.getEntities(CraftChunk.java:126)
        at com.loohp.imageframe.objectholders.AnimatedFakeMapManager.lambda$onChunkLoad$19(AnimatedFakeMapManager.java:319)
        at com.loohp.imageframe.libs.com.loohp.platformscheduler.platform.bukkit.BukkitScheduler.executeOrScheduleSync(BukkitScheduler.java:84)
        at com.loohp.imageframe.libs.com.loohp.platformscheduler.platform.bukkit.BukkitScheduler.executeOrScheduleSync(BukkitScheduler.java:107)
        at com.loohp.imageframe.libs.com.loohp.platformscheduler.Scheduler.executeOrScheduleSync(Scheduler.java:126)
        at com.loohp.imageframe.objectholders.AnimatedFakeMapManager.onChunkLoad(AnimatedFakeMapManager.java:318)
        at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
        at java.base/java.lang.reflect.Method.invoke(Method.java:580)
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306)
        ... 18 more
[17:53:59] [Server thread/ERROR]: Encountered an unexpected exception
java.lang.NullPointerException: Cannot invoke "it.unimi.dsi.fastutil.objects.ReferenceArrayList.get(int)" because "this.wrapped" is null
        at it.unimi.dsi.fastutil.objects.ReferenceOpenHashSet$SetIterator.next(ReferenceOpenHashSet.java:522)
        at net.minecraft.server.level.ChunkMapDistance.a(ChunkMapDistance.java:81)
        at net.minecraft.server.level.ChunkProviderServer.d(ChunkProviderServer.java:297)
        at net.minecraft.server.level.ChunkProviderServer$a.E(ChunkProviderServer.java:697)
        at net.minecraft.server.level.ChunkProviderServer.c(ChunkProviderServer.java:293)
        at net.minecraft.server.MinecraftServer.bC(MinecraftServer.java:1331)
        at net.minecraft.server.MinecraftServer.E(MinecraftServer.java:1319)
        at net.minecraft.util.thread.IAsyncTaskHandler.bN(SourceFile:124)
        at net.minecraft.server.MinecraftServer.w_(MinecraftServer.java:1282)
        at net.minecraft.server.MinecraftServer.A(MinecraftServer.java:1129)
        at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:340)
        at java.base/java.lang.Thread.run(Thread.java:1583)
[17:53:59] [Server thread/ERROR]: This crash report has been saved to: D:\ctx\mcsmanager_windows_release\mcsmanager\daemon\data\InstanceData\91226a974b75417ab4f006c
2ff0537bd\crash-reports\crash-2026-01-10_17.53.59-server.txt
[17:53:59] [Server thread/INFO]: Stopping server

Here is the error log output after the server crashed.

crash-2026-01-10_17.53.59-server.txt