FoundOres Revisited error

上午 01:41:34 [severe]  Error occurred while disabling FoundOres Revisited v1.6.2 (Is it up to date?)
上午 01:41:34 [javastacktrace]    at org.bukkit.craftbukkit.v1_5_R2.scheduler.CraftScheduler.validate(CraftScheduler.java:394)
上午 01:41:34 [javastacktrace]    at org.bukkit.craftbukkit.v1_5_R2.scheduler.CraftScheduler.runTaskTimerAsynchronously(CraftScheduler.java:137)
上午 01:41:34 [javastacktrace]    at org.bukkit.craftbukkit.v1_5_R2.scheduler.CraftScheduler.runTaskLaterAsynchronously(CraftScheduler.java:112)
上午 01:41:34 [javastacktrace]    at org.bukkit.craftbukkit.v1_5_R2.scheduler.CraftScheduler.runTaskAsynchronously(CraftScheduler.java:96)
上午 01:41:34 [javastacktrace]    at org.bukkit.scheduler.BukkitRunnable.runTaskAsynchronously(BukkitRunnable.java:49)
上午 01:41:34 [javastacktrace]    at Staartvin.FoundOres.Saves.IntervalSaves.save(IntervalSaves.java:66)
上午 01:41:34 [javastacktrace]    at Staartvin.FoundOres.FoundOres.onDisable(FoundOres.java:42)
上午 01:41:34 [javastacktrace]    at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:219)
上午 01:41:34 [javastacktrace]    at org.bukkit.plugin.java.JavaPluginLoader.disablePlugin(JavaPluginLoader.java:481)
上午 01:41:34 [javastacktrace]    at org.bukkit.plugin.SimplePluginManager.disablePlugin(SimplePluginManager.java:400)
上午 01:41:34 [javastacktrace]    at org.bukkit.plugin.SimplePluginManager.disablePlugins(SimplePluginManager.java:393)
上午 01:41:34 [javastacktrace]    at org.bukkit.craftbukkit.v1_5_R2.CraftServer.disablePlugins(CraftServer.java:277)
上午 01:41:34 [javastacktrace]    at net.minecraft.server.v1_5_R2.MinecraftServer.stop(MinecraftServer.java:333)
上午 01:41:34 [javastacktrace]    at net.minecraft.server.v1_5_R2.MinecraftServer.run(MinecraftServer.java:440)
上午 01:41:34 [javastacktrace]    at net.minecraft.server.v1_5_R2.ThreadServerApplication.run(SourceFile:573)