[13:19:19] [Server thread/INFO]: _Yuky_ issued server command: /gmenu main
[13:19:22] [Server thread/ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'gmenu' in plugin GadgetsMenu v4.2.3
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[spigot-1.13.2.jar:git-Spigot-2474d93-ca22de3]
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:139) ~[spigot-1.13.2.jar:git-Spigot-2474d93-ca22de3]
	at org.bukkit.craftbukkit.v1_13_R2.CraftServer.dispatchCommand(CraftServer.java:699) ~[spigot-1.13.2.jar:git-Spigot-2474d93-ca22de3]
	at net.minecraft.server.v1_13_R2.PlayerConnection.handleCommand(PlayerConnection.java:1648) ~[spigot-1.13.2.jar:git-Spigot-2474d93-ca22de3]
	at net.minecraft.server.v1_13_R2.PlayerConnection.a(PlayerConnection.java:1483) ~[spigot-1.13.2.jar:git-Spigot-2474d93-ca22de3]
	at net.minecraft.server.v1_13_R2.PacketPlayInChat.a(PacketPlayInChat.java:45) ~[spigot-1.13.2.jar:git-Spigot-2474d93-ca22de3]
	at net.minecraft.server.v1_13_R2.PacketPlayInChat.a(PacketPlayInChat.java:1) ~[spigot-1.13.2.jar:git-Spigot-2474d93-ca22de3]
	at net.minecraft.server.v1_13_R2.PlayerConnectionUtils.a(SourceFile:10) ~[spigot-1.13.2.jar:git-Spigot-2474d93-ca22de3]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_72]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_72]
	at net.minecraft.server.v1_13_R2.SystemUtils.a(SourceFile:199) [spigot-1.13.2.jar:git-Spigot-2474d93-ca22de3]
	at net.minecraft.server.v1_13_R2.MinecraftServer.b(MinecraftServer.java:900) [spigot-1.13.2.jar:git-Spigot-2474d93-ca22de3]
	at net.minecraft.server.v1_13_R2.DedicatedServer.b(DedicatedServer.java:417) [spigot-1.13.2.jar:git-Spigot-2474d93-ca22de3]
	at net.minecraft.server.v1_13_R2.MinecraftServer.a(MinecraftServer.java:835) [spigot-1.13.2.jar:git-Spigot-2474d93-ca22de3]
	at net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:733) [spigot-1.13.2.jar:git-Spigot-2474d93-ca22de3]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_72]
Caused by: java.lang.NoClassDefFoundError: Could not initialize class com.yapzhenyie.GadgetsMenu.utils.EnumItem
	at com.yapzhenyie.GadgetsMenu.menu.menus.MainMenu.openMainMenu(MainMenu.java:109) ~[?:?]
	at com.yapzhenyie.GadgetsMenu.commands.main.subcommands.CommandMain.onCommandPlayer(CommandMain.java:22) ~[?:?]
	at com.yapzhenyie.GadgetsMenu.commands.main.CommandManager.onCommand(CommandManager.java:177) ~[?:?]
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[spigot-1.13.2.jar:git-Spigot-2474d93-ca22de3]
	... 15 more
Caused by: java.lang.ExceptionInInitializerError
	at com.yapzhenyie.GadgetsMenu.menu.menus.MainMenu.openMainMenu(MainMenu.java:109) ~[?:?]
	at com.yapzhenyie.GadgetsMenu.commands.main.subcommands.CommandMain.onCommandPlayer(CommandMain.java:22) ~[?:?]
	at com.yapzhenyie.GadgetsMenu.commands.main.CommandManager.onCommand(CommandManager.java:177) ~[?:?]
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[spigot-1.13.2.jar:git-Spigot-2474d93-ca22de3]
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:139) ~[spigot-1.13.2.jar:git-Spigot-2474d93-ca22de3]
	at org.bukkit.craftbukkit.v1_13_R2.CraftServer.dispatchCommand(CraftServer.java:699) ~[spigot-1.13.2.jar:git-Spigot-2474d93-ca22de3]