[10:31:04] [Server thread/INFO]: mmuziek issued server command: /slotmachinetoken list
[10:31:04] [Server thread/WARN]: java.lang.IllegalArgumentException: Can not set net.minecraft.server.v1_13_R2.IChatBaseComponent field org.bukkit.craftbukkit.v1_13_R2.inventory.CraftInventoryCustom$MinecraftInventory.title to java.lang.String
[10:31:04] [Server thread/WARN]: 	at sun.reflect.UnsafeFieldAccessorImpl.throwSetIllegalArgumentException(UnsafeFieldAccessorImpl.java:167)
[10:31:04] [Server thread/WARN]: 	at sun.reflect.UnsafeFieldAccessorImpl.throwSetIllegalArgumentException(UnsafeFieldAccessorImpl.java:171)
[10:31:04] [Server thread/WARN]: 	at sun.reflect.UnsafeObjectFieldAccessorImpl.set(UnsafeObjectFieldAccessorImpl.java:81)
[10:31:04] [Server thread/WARN]: 	at java.lang.reflect.Field.set(Field.java:764)
[10:31:04] [Server thread/WARN]: 	at org.inventivetalent.menubuilder.inventory.InventoryHelper.changeTitle(InventoryHelper.java:31)
[10:31:04] [Server thread/WARN]: 	at org.inventivetalent.menubuilder.inventory.InventoryMenuBuilder.withTitle(InventoryMenuBuilder.java:142)
[10:31:04] [Server thread/WARN]: 	at org.inventivetalent.menubuilder.inventory.InventoryMenuBuilder.withTitle(InventoryMenuBuilder.java:130)
[10:31:04] [Server thread/WARN]: 	at org.inventivetalent.menubuilder.inventory.InventoryMenuBuilder.<init>(InventoryMenuBuilder.java:61)
[10:31:04] [Server thread/WARN]: 	at fr.klemms.slotmachine.tokens.Tokens.showManagementScreen(Tokens.java:32)
[10:31:04] [Server thread/WARN]: 	at fr.klemms.slotmachine.commands.CommandSlotMachineTokens.onCommand(CommandSlotMachineTokens.java:26)
[10:31:04] [Server thread/WARN]: 	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)
[10:31:04] [Server thread/WARN]: 	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:151)
[10:31:04] [Server thread/WARN]: 	at org.bukkit.craftbukkit.v1_13_R2.CraftServer.dispatchCommand(CraftServer.java:725)
[10:31:04] [Server thread/WARN]: 	at net.minecraft.server.v1_13_R2.PlayerConnection.handleCommand(PlayerConnection.java:1768)
[10:31:04] [Server thread/WARN]: 	at net.minecraft.server.v1_13_R2.PlayerConnection.a(PlayerConnection.java:1572)
[10:31:04] [Server thread/WARN]: 	at net.minecraft.server.v1_13_R2.PacketPlayInChat.a(PacketPlayInChat.java:45)
[10:31:04] [Server thread/WARN]: 	at net.minecraft.server.v1_13_R2.PacketPlayInChat.a(PacketPlayInChat.java:5)
[10:31:04] [Server thread/WARN]: 	at net.minecraft.server.v1_13_R2.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:12)
[10:31:04] [Server thread/WARN]: 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
[10:31:04] [Server thread/WARN]: 	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
[10:31:04] [Server thread/WARN]: 	at net.minecraft.server.v1_13_R2.SystemUtils.a(SourceFile:199)
[10:31:04] [Server thread/WARN]: 	at net.minecraft.server.v1_13_R2.MinecraftServer.b(MinecraftServer.java:1008)
[10:31:04] [Server thread/WARN]: 	at net.minecraft.server.v1_13_R2.DedicatedServer.b(DedicatedServer.java:428)
[10:31:04] [Server thread/WARN]: 	at net.minecraft.server.v1_13_R2.MinecraftServer.a(MinecraftServer.java:936)
[10:31:04] [Server thread/WARN]: 	at net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:834)
[10:31:04] [Server thread/WARN]: 	at java.lang.Thread.run(Thread.java:748)
[10:31:04] [Server thread/ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'slotmachinetoken' in plugin SlotMachine v5.1
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[patched_1.13.1.jar:git-Paper-213]
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:151) ~[patched_1.13.1.jar:git-Paper-213]
	at org.bukkit.craftbukkit.v1_13_R2.CraftServer.dispatchCommand(CraftServer.java:725) ~[patched_1.13.1.jar:git-Paper-213]
	at net.minecraft.server.v1_13_R2.PlayerConnection.handleCommand(PlayerConnection.java:1768) ~[patched_1.13.1.jar:git-Paper-213]
	at net.minecraft.server.v1_13_R2.PlayerConnection.a(PlayerConnection.java:1572) ~[patched_1.13.1.jar:git-Paper-213]
	at net.minecraft.server.v1_13_R2.PacketPlayInChat.a(PacketPlayInChat.java:45) ~[patched_1.13.1.jar:git-Paper-213]
	at net.minecraft.server.v1_13_R2.PacketPlayInChat.a(PacketPlayInChat.java:5) ~[patched_1.13.1.jar:git-Paper-213]
	at net.minecraft.server.v1_13_R2.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:12) ~[patched_1.13.1.jar:git-Paper-213]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_151]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_151]
	at net.minecraft.server.v1_13_R2.SystemUtils.a(SourceFile:199) ~[patched_1.13.1.jar:git-Paper-213]
	at net.minecraft.server.v1_13_R2.MinecraftServer.b(MinecraftServer.java:1008) ~[patched_1.13.1.jar:git-Paper-213]
	at net.minecraft.server.v1_13_R2.DedicatedServer.b(DedicatedServer.java:428) ~[patched_1.13.1.jar:git-Paper-213]
	at net.minecraft.server.v1_13_R2.MinecraftServer.a(MinecraftServer.java:936) ~[patched_1.13.1.jar:git-Paper-213]
	at net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:834) ~[patched_1.13.1.jar:git-Paper-213]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_151]
Caused by: java.lang.NullPointerException
	at fr.klemms.slotmachine.tokens.Tokens.showManagementScreen(Tokens.java:49) ~[?:?]
	at fr.klemms.slotmachine.commands.CommandSlotMachineTokens.onCommand(CommandSlotMachineTokens.java:26) ~[?:?]
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[patched_1.13.1.jar:git-Paper-213]
	... 15 more