.... [15:39:32 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'bounty' in plugin BountyHunters v2.3.13
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:47) ~[patched_1.16.4.jar:git-Paper-416]
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:159) ~[patched_1.16.4.jar:git-Paper-416]
at org.bukkit.craftbukkit.v1_16_R3.CraftServer.dispatchCommand(CraftServer.java:807) ~[patched_1.16.4.jar:git-Paper-416]
at net.minecraft.server.v1_16_R3.PlayerConnection.handleCommand(PlayerConnection.java:2021) ~[patched_1.16.4.jar:git-Paper-416]
at net.minecraft.server.v1_16_R3.PlayerConnection.c(PlayerConnection.java:1832) ~[patched_1.16.4.jar:git-Paper-416]
at net.minecraft.server.v1_16_R3.PlayerConnection.a(PlayerConnection.java:1785) ~[patched_1.16.4.jar:git-Paper-416]
at net.minecraft.server.v1_16_R3.PacketPlayInChat.a(PacketPlayInChat.java:47) ~[patched_1.16.4.jar:git-Paper-416]
at net.minecraft.server.v1_16_R3.PacketPlayInChat.a(PacketPlayInChat.java:5) ~[patched_1.16.4.jar:git-Paper-416]
at net.minecraft.server.v1_16_R3.PlayerConnectionUtils.lambda$ensureMainThread$1(PlayerConnectionUtils.java:23) ~[patched_1.16.4.jar:git-Paper-416]
at net.minecraft.server.v1_16_R3.TickTask.run(SourceFile:18) ~[patched_1.16.4.jar:git-Paper-416]
at net.minecraft.server.v1_16_R3.IAsyncTaskHandler.executeTask(IAsyncTaskHandler.java:136) ~[patched_1.16.4.jar:git-Paper-416]
at net.minecraft.server.v1_16_R3.IAsyncTaskHandlerReentrant.executeTask(SourceFile:23) ~[patched_1.16.4.jar:git-Paper-416]
at net.minecraft.server.v1_16_R3.IAsyncTaskHandler.executeNext(IAsyncTaskHandler.java:109) ~[patched_1.16.4.jar:git-Paper-416]
at net.minecraft.server.v1_16_R3.MinecraftServer.bb(MinecraftServer.java:1132) ~[patched_1.16.4.jar:git-Paper-416]
at net.minecraft.server.v1_16_R3.MinecraftServer.executeNext(MinecraftServer.java:1125) ~[patched_1.16.4.jar:git-Paper-416]
at net.minecraft.server.v1_16_R3.IAsyncTaskHandler.awaitTasks(IAsyncTaskHandler.java:119) ~[patched_1.16.4.jar:git-Paper-416]
at net.minecraft.server.v1_16_R3.MinecraftServer.sleepForTick(MinecraftServer.java:1086) ~[patched_1.16.4.jar:git-Paper-416]
at net.minecraft.server.v1_16_R3.MinecraftServer.w(MinecraftServer.java:1000) ~[patched_1.16.4.jar:git-Paper-416]
at net.minecraft.server.v1_16_R3.MinecraftServer.lambda$a$0(MinecraftServer.java:173) ~[patched_1.16.4.jar:git-Paper-416]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_275]
Caused by: java.lang.NullPointerException
at net.Indyuce.bountyhunters.api.CustomItem$Builder.applyPlaceholders(CustomItem.java:102) ~[?:?]
at net.Indyuce.bountyhunters.gui.BountyList.getInventory(BountyList.java:60) ~[?:?]
at net.Indyuce.bountyhunters.gui.PluginInventory.open(PluginInventory.java:20) ~[?:?]
at net.Indyuce.bountyhunters.command.AddBountyCommand.onCommand(AddBountyCommand.java:43) ~[?:?]
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45) ~[patched_1.16.4.jar:git-Paper-416]
... 19 more
It seems that the command is broken