ArrayIndexOutOfBounds exception happening with /p music

[gnago]

Server Implementation

Paper

Server Version

1.21.3

Describe the bug

When you try to use the /p music command, an out of bounds error happens.

To Reproduce

1. Go to your plot
2. Use the command /p music
3. Observe the error

Expected behaviour

It should open the music menu instead

Screenshots / Videos

Error log (if applicable)

No response

Plot Debugpaste

https://athion.net/ISPaster/paste/view/28b9856336ee4806a9d8ea0a8acb2dd2

PlotSquared Version

7.4.1-Premium

Checklist

• I have included a Plot debugpaste.
• I am using the newest build from https://www.spigotmc.org/resources/77506/ and the issue still persists.

Anything else?

Likely related to the fix made in issue #4551

[NotMyFault]

Indeed:

[10:35:32 INFO]: NotMyFault issued server command: /plot music
[10:35:32 WARN]: java.lang.ArrayIndexOutOfBoundsException: Index 18 out of bounds for length 18
[10:35:32 WARN]: 	at plotsquared-bukkit-7.4.1-Premium.jar//com.plotsquared.core.plot.PlotInventory.setItemChecked(PlotInventory.java:123)
[10:35:32 WARN]: 	at plotsquared-bukkit-7.4.1-Premium.jar//com.plotsquared.core.command.Music.onCommand(Music.java:160)
[10:35:32 WARN]: 	at plotsquared-bukkit-7.4.1-Premium.jar//com.plotsquared.core.command.SubCommand.execute(SubCommand.java:50)
[10:35:32 WARN]: 	at plotsquared-bukkit-7.4.1-Premium.jar//com.plotsquared.core.command.Command.execute(Command.java:374)
[10:35:32 WARN]: 	at plotsquared-bukkit-7.4.1-Premium.jar//com.plotsquared.core.command.MainCommand.execute(MainCommand.java:306)
[10:35:32 WARN]: 	at plotsquared-bukkit-7.4.1-Premium.jar//com.plotsquared.core.command.MainCommand.onCommand(MainCommand.java:180)
[10:35:32 WARN]: 	at plotsquared-bukkit-7.4.1-Premium.jar//com.plotsquared.bukkit.BukkitCommand.onCommand(BukkitCommand.java:49)
[10:35:32 WARN]: 	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45)
[10:35:32 WARN]: 	at io.papermc.paper.command.brigadier.bukkit.BukkitCommandNode$BukkitBrigCommand.run(BukkitCommandNode.java:82)
[10:35:32 WARN]: 	at com.mojang.brigadier.context.ContextChain.runExecutable(ContextChain.java:73)
[10:35:32 WARN]: 	at net.minecraft.commands.execution.tasks.ExecuteCommand.execute(ExecuteCommand.java:30)
[10:35:32 WARN]: 	at net.minecraft.commands.execution.tasks.ExecuteCommand.execute(ExecuteCommand.java:13)
[10:35:32 WARN]: 	at net.minecraft.commands.execution.UnboundEntryAction.lambda$bind$0(UnboundEntryAction.java:8)
[10:35:32 WARN]: 	at net.minecraft.commands.execution.CommandQueueEntry.execute(CommandQueueEntry.java:5)
[10:35:32 WARN]: 	at net.minecraft.commands.execution.ExecutionContext.runCommandQueue(ExecutionContext.java:105)
[10:35:32 WARN]: 	at net.minecraft.commands.Commands.executeCommandInContext(Commands.java:435)
[10:35:32 WARN]: 	at net.minecraft.commands.Commands.performCommand(Commands.java:342)
[10:35:32 WARN]: 	at net.minecraft.commands.Commands.performCommand(Commands.java:332)
[10:35:32 WARN]: 	at net.minecraft.commands.Commands.performCommand(Commands.java:326)
[10:35:32 WARN]: 	at net.minecraft.server.network.ServerGamePacketListenerImpl.performUnsignedChatCommand(ServerGamePacketListenerImpl.java:2197)
[10:35:32 WARN]: 	at net.minecraft.server.network.ServerGamePacketListenerImpl.lambda$handleChatCommand$11(ServerGamePacketListenerImpl.java:2170)
[10:35:32 WARN]: 	at net.minecraft.server.TickTask.run(TickTask.java:18)
[10:35:32 WARN]: 	at net.minecraft.util.thread.BlockableEventLoop.doRunTask(BlockableEventLoop.java:155)
[10:35:32 WARN]: 	at net.minecraft.util.thread.ReentrantBlockableEventLoop.doRunTask(ReentrantBlockableEventLoop.java:24)
[10:35:32 WARN]: 	at net.minecraft.server.MinecraftServer.doRunTask(MinecraftServer.java:1448)
[10:35:32 WARN]: 	at net.minecraft.server.MinecraftServer.doRunTask(MinecraftServer.java:176)
[10:35:32 WARN]: 	at net.minecraft.util.thread.BlockableEventLoop.pollTask(BlockableEventLoop.java:129)
[10:35:32 WARN]: 	at net.minecraft.server.MinecraftServer.pollTaskInternal(MinecraftServer.java:1428)
[10:35:32 WARN]: 	at net.minecraft.server.MinecraftServer.pollTask(MinecraftServer.java:1422)
[10:35:32 WARN]: 	at net.minecraft.util.thread.BlockableEventLoop.managedBlock(BlockableEventLoop.java:139)
[10:35:32 WARN]: 	at net.minecraft.server.MinecraftServer.managedBlock(MinecraftServer.java:1379)
[10:35:32 WARN]: 	at net.minecraft.server.MinecraftServer.waitUntilNextTick(MinecraftServer.java:1387)
[10:35:32 WARN]: 	at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1264)
[10:35:32 WARN]: 	at net.minecraft.server.MinecraftServer.lambda$spin$2(MinecraftServer.java:310)
[10:35:32 WARN]: 	at java.base/java.lang.Thread.run(Thread.java:1575)