[09:54:27 WARN]: [WorldGuard] WorldGuard encountered an unexpected error
java.lang.NullPointerException
at com.sk89q.worldguard.bukkit.RegionContainer.getSaveFailures(RegionContainer.java:254) ~[worldguard-6.2.jar:?]
at com.sk89q.worldguard.bukkit.commands.region.RegionCommandsBase.warnAboutSaveFailures(RegionCommandsBase.java:298) ~[worldguard-6.2.jar:?]
at com.sk89q.worldguard.bukkit.commands.region.RegionCommands.define(RegionCommands.java:106) ~[worldguard-6.2.jar:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_111]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_111]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_111]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_111]
at com.sk89q.minecraft.util.commands.CommandsManager.invokeMethod(CommandsManager.java:528) ~[worldedit-bukkit-6.1.5.jar:?]
at com.sk89q.minecraft.util.commands.CommandsManager.executeMethod(CommandsManager.java:516) ~[worldedit-bukkit-6.1.5.jar:?]
at com.sk89q.minecraft.util.commands.CommandsManager.executeMethod(CommandsManager.java:471) ~[worldedit-bukkit-6.1.5.jar:?]
at com.sk89q.minecraft.util.commands.CommandsManager.execute(CommandsManager.java:409) ~[worldedit-bukkit-6.1.5.jar:?]
at com.sk89q.worldguard.bukkit.WorldGuardPlugin.onCommand(WorldGuardPlugin.java:295) [worldguard-6.2.jar:?]
at com.sk89q.bukkit.util.DynamicPluginCommand.execute(DynamicPluginCommand.java:54) [worldedit-bukkit-6.1.5.jar:?]
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:140) [craftbukkit.jar:git-Bukkit-b105298]
at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServer.java:619) [craftbukkit.jar:git-Bukkit-b105298]
at net.minecraft.server.v1_8_R3.PlayerConnection.handleCommand(PlayerConnection.java:1079) [craftbukkit.jar:git-Bukkit-b105298]
at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:939) [craftbukkit.jar:git-Bukkit-b105298]
at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(SourceFile:37) [craftbukkit.jar:git-Bukkit-b105298]
at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(SourceFile:9) [craftbukkit.jar:git-Bukkit-b105298]
at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [craftbukkit.jar:git-Bukkit-b105298]
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0_111]
at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_111]
at net.minecraft.server.v1_8_R3.SystemUtils.a(SystemUtils.java:19) [craftbukkit.jar:git-Bukkit-b105298]
at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:672) [craftbukkit.jar:git-Bukkit-b105298]
at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:335) [craftbukkit.jar:git-Bukkit-b105298]
at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:628) [craftbukkit.jar:git-Bukkit-b105298]
at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:536) [craftbukkit.jar:git-Bukkit-b105298]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_111]