[10:28:08 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'ah' in plugin RivalsAuction v2.0
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:47) ~[purpur-api-1.19.4-R0.1-SNAPSHOT.jar:?]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:168) ~[purpur-api-1.19.4-R0.1-SNAPSHOT.jar:?]
        at org.bukkit.craftbukkit.v1_19_R3.CraftServer.dispatchCommand(CraftServer.java:943) ~[purpur-1.19.4.jar:git-Purpur-1985]
        at org.bukkit.craftbukkit.v1_19_R3.command.BukkitCommandWrapper.run(BukkitCommandWrapper.java:64) ~[purpur-1.19.4.jar:git-Purpur-1985]
        at com.mojang.brigadier.CommandDispatcher.execute(CommandDispatcher.java:264) ~[purpur-1.19.4.jar:?]
        at net.minecraft.commands.Commands.performCommand(Commands.java:330) ~[?:?]
        at net.minecraft.commands.Commands.performCommand(Commands.java:314) ~[?:?]
        at net.minecraft.server.network.ServerGamePacketListenerImpl.performChatCommand(ServerGamePacketListenerImpl.java:2389) ~[?:?]
        at net.minecraft.server.network.ServerGamePacketListenerImpl.lambda$handleChatCommand$21(ServerGamePacketListenerImpl.java:2349) ~[?:?]
        at net.minecraft.util.thread.BlockableEventLoop.lambda$submitAsync$0(BlockableEventLoop.java:59) ~[?:?]
        at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1768) ~[?:?]
        at net.minecraft.server.TickTask.run(TickTask.java:18) ~[purpur-1.19.4.jar:git-Purpur-1985]
        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:1369) ~[purpur-1.19.4.jar:git-Purpur-1985]
        at net.minecraft.server.MinecraftServer.d(MinecraftServer.java:197) ~[purpur-1.19.4.jar:git-Purpur-1985]
        at net.minecraft.util.thread.BlockableEventLoop.pollTask(BlockableEventLoop.java:126) ~[?:?]
        at net.minecraft.server.MinecraftServer.pollTaskInternal(MinecraftServer.java:1346) ~[purpur-1.19.4.jar:git-Purpur-1985]
        at net.minecraft.server.MinecraftServer.pollTask(MinecraftServer.java:1339) ~[purpur-1.19.4.jar:git-Purpur-1985]
        at net.minecraft.util.thread.BlockableEventLoop.managedBlock(BlockableEventLoop.java:136) ~[?:?]
        at net.minecraft.server.MinecraftServer.waitUntilNextTick(MinecraftServer.java:1317) ~[purpur-1.19.4.jar:git-Purpur-1985]
        at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1205) ~[purpur-1.19.4.jar:git-Purpur-1985]
        at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:325) ~[purpur-1.19.4.jar:git-Purpur-1985]
        at java.lang.Thread.run(Thread.java:833) ~[?:?]