我的世界服务器钟表菜单怎么制作,[管理]ClockGUI

更新后重载报错，右键不出GUI

[22:21:00 警告]: Unexpected exception while parsing console command "clock reload"

org.bukkit.command.CommandException: Unhandled exception executing command 'clock' in plugin ClockGUI v1.2

at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[PluginCommand.class:1.7.10-R0.1-SNAPSHOT]

at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:181) ~[SimpleCommandMap.class:1.7.10-R0.1-SNAPSHOT]

at org.bukkit.craftbukkit.v1_7_R4.CraftServer.dispatchCommand(CraftServer.java:717) ~[CraftSe

rver.class:1.7.10-R0.1-SNAPSHOT]

at org.bukkit.craftbukkit.v1_7_R4.CraftServer.dispatchServerCommand(CraftServer.java:697) [CraftServer.class:1.7.10-R0.1-SNAPSHOT]

at net.minecraft.server.dedicated.DedicatedServer.func_71333_ah(DedicatedServer.java:473) [lt.

class:?]

at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:432) [lt.class:?]

at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:809) [MinecraftServer.class:?]

at net.minecraft.server.MinecraftServer.r

un(MinecraftServer.java:669) [MinecraftServer.class:?]

at java.lang.Thread.run(Unknown Source) [?:?]

Caused by: java.lang.NoClassDefFoundError: org/bukkit/inventory/ItemFlag

at clockGUI.ClockGUI.loadConfig(ClockGUI.java:289) ~[ClockGUI.jar:?]

at clockGUI.Cl

ockGUI.onCommand(ClockGUI.java:610) ~[ClockGUI.jar:?]

at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[PluginCommand.class:1.7.10-R0.1-SNAPSHOT]

... 8 more