DuneSciFye issued server command: /chunks

ERROR
19:13:28

null

Console
19:13:28

org.bukkit.command.CommandException: Unhandled exception executing command 'chunks' in plugin ChunkVisualizer v1.0-SNAPSHOT
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:47) ~[purpur-api-1.19-R0.1-SNAPSHOT.jar:?]
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:168) ~[purpur-api-1.19-R0.1-SNAPSHOT.jar:?]
at org.bukkit.craftbukkit.v1_19_R1.CraftServer.dispatchCommand(CraftServer.java:940) ~[purpur-1.19.jar:git-Purpur-1715]
at net.minecraft.server.network.ServerGamePacketListenerImpl.handleCommand(ServerGamePacketListenerImpl.java:2459) ~[?:?]
at net.minecraft.server.network.ServerGamePacketListenerImpl.lambda$handleChatCommand$19(ServerGamePacketListenerImpl.java:2230) ~[?:?]
at net.minecraft.server.TickTask.run(TickTask.java:18) ~[purpur-1.19.jar:git-Purpur-1715]
at net.minecraft.util.thread.BlockableEventLoop.doRunTask(BlockableEventLoop.java:153) ~[?:?]
at net.minecraft.util.thread.ReentrantBlockableEventLoop.doRunTask(ReentrantBlockableEventLoop.java:24) ~[?:?]
at net.minecraft.server.MinecraftServer.doRunTask(MinecraftServer.java:1385) ~[purpur-1.19.jar:git-Purpur-1715]
at net.minecraft.server.MinecraftServer.d(MinecraftServer.java:183) ~[purpur-1.19.jar:git-Purpur-1715]
at net.minecraft.util.thread.BlockableEventLoop.pollTask(BlockableEventLoop.java:126) ~[?:?]
at net.minecraft.server.MinecraftServer.pollTaskInternal(MinecraftServer.java:1362) ~[purpur-1.19.jar:git-Purpur-1715]
at net.minecraft.server.MinecraftServer.pollTask(MinecraftServer.java:1355) ~[purpur-1.19.jar:git-Purpur-1715]
at net.minecraft.util.thread.BlockableEventLoop.managedBlock(BlockableEventLoop.java:136) ~[?:?]
at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1433) ~[purpur-1.19.jar:git-Purpur-1715]
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1208) ~[purpur-1.19.jar:git-Purpur-1715]
at net.minecraft.server.MinecraftServer.lambda$spin$1(MinecraftServer.java:307) ~[purpur-1.19.jar:git-Purpur-1715]
at java.lang.Thread.run(Thread.java:833) ~[?:?]
Caused by: java.util.ConcurrentModificationException
at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:1013) ~[?:?]
at java.util.ArrayList$Itr.next(ArrayList.java:967) ~[?:?]
at me.illusion.chunkvisualizer.util.ChunkUtils.getVisualizableBlocks(ChunkUtils.java:63) ~[ChunkVisualizer-1.0-SNAPSHOT.jar:?]
at me.illusion.chunkvisualizer.command.ChunksCommand.onCommand(ChunksCommand.java:18) ~[ChunkVisualizer-1.0-SNAPSHOT.jar:?]
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45) ~[purpur-api-1.19-R0.1-SNAPSHOT.jar:?]
... 17 more