[21:49:57 INFO]: tchristofferson issued server command: /guishop price [21:49:57 ERROR]: null org.bukkit.command.CommandException: Unhandled exception executing command 'guishop' in plugin GUIShop v9.0.1 at org.bukkit.command.PluginCommand.execute(PluginCommand.java:47) ~[patched_1.16.5.jar:git-Paper-592] at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:159) ~[patched_1.16.5.jar:git-Paper-592] at org.bukkit.craftbukkit.v1_16_R3.CraftServer.dispatchCommand(CraftServer.java:810) ~[patched_1.16.5.jar:git-Paper-592] at net.minecraft.server.v1_16_R3.PlayerConnection.handleCommand(PlayerConnection.java:2168) ~[patched_1.16.5.jar:git-Paper-592] at net.minecraft.server.v1_16_R3.PlayerConnection.c(PlayerConnection.java:1983) ~[patched_1.16.5.jar:git-Paper-592] at net.minecraft.server.v1_16_R3.PlayerConnection.a(PlayerConnection.java:1936) ~[patched_1.16.5.jar:git-Paper-592] at net.minecraft.server.v1_16_R3.PacketPlayInChat.a(PacketPlayInChat.java:50) ~[patched_1.16.5.jar:git-Paper-592] at net.minecraft.server.v1_16_R3.PacketPlayInChat.a(PacketPlayInChat.java:8) ~[patched_1.16.5.jar:git-Paper-592] at net.minecraft.server.v1_16_R3.PlayerConnectionUtils.lambda$ensureMainThread$1(PlayerConnectionUtils.java:35) ~[patched_1.16.5.jar:git-Paper-592] at net.minecraft.server.v1_16_R3.TickTask.run(SourceFile:18) ~[patched_1.16.5.jar:git-Paper-592] at net.minecraft.server.v1_16_R3.IAsyncTaskHandler.executeTask(IAsyncTaskHandler.java:136) ~[patched_1.16.5.jar:git-Paper-592] at net.minecraft.server.v1_16_R3.IAsyncTaskHandlerReentrant.executeTask(SourceFile:23) ~[patched_1.16.5.jar:git-Paper-592] at net.minecraft.server.v1_16_R3.IAsyncTaskHandler.executeNext(IAsyncTaskHandler.java:109) ~[patched_1.16.5.jar:git-Paper-592] at net.minecraft.server.v1_16_R3.MinecraftServer.bb(MinecraftServer.java:1252) ~[patched_1.16.5.jar:git-Paper-592] at net.minecraft.server.v1_16_R3.MinecraftServer.executeNext(MinecraftServer.java:1245) ~[patched_1.16.5.jar:git-Paper-592] at net.minecraft.server.v1_16_R3.IAsyncTaskHandler.awaitTasks(IAsyncTaskHandler.java:119) ~[patched_1.16.5.jar:git-Paper-592] at net.minecraft.server.v1_16_R3.MinecraftServer.sleepForTick(MinecraftServer.java:1206) ~[patched_1.16.5.jar:git-Paper-592] at net.minecraft.server.v1_16_R3.MinecraftServer.w(MinecraftServer.java:1120) ~[patched_1.16.5.jar:git-Paper-592] at net.minecraft.server.v1_16_R3.MinecraftServer.lambda$a$0(MinecraftServer.java:289) ~[patched_1.16.5.jar:git-Paper-592] at java.lang.Thread.run(Unknown Source) [?:1.8.0_281] Caused by: java.lang.ArrayIndexOutOfBoundsException: 1 at com.pablo67340.guishop.commands.GuishopCommand.onCommand(GuishopCommand.java:78) ~[?:?] at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45) ~[patched_1.16.5.jar:git-Paper-592] ... 19 more

Fixed in 9.0.5