java.lang.NullPointerException at com.sk89q.worldguard.bukkit.RegionContainer.getSaveFailures(RegionContainer.java:254) ~[worldguard-6.1.jar:6.1] at com.sk89q.worldguard.bukkit.commands.region.RegionCommandsBase.warnAboutSaveFailures(RegionCommandsBase.java:297) ~[worldguard-6.1.jar:6.1] at com.sk89q.worldguard.bukkit.commands.region.RegionCommands.define(RegionCommands.java:103) ~[worldguard-6.1.jar:6.1] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_141] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_141] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_141] at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_141] at com.sk89q.minecraft.util.commands.CommandsManager.invokeMethod(CommandsManager.java:528) ~[worldedit-bukkit-6.0-beta-01.jar:?] at com.sk89q.minecraft.util.commands.CommandsManager.executeMethod(CommandsManager.java:516) ~[worldedit-bukkit-6.0-beta-01.jar:?] at com.sk89q.minecraft.util.commands.CommandsManager.executeMethod(CommandsManager.java:471) ~[worldedit-bukkit-6.0-beta-01.jar:?] at com.sk89q.minecraft.util.commands.CommandsManager.execute(CommandsManager.java:409) ~[worldedit-bukkit-6.0-beta-01.jar:?] at com.sk89q.worldguard.bukkit.WorldGuardPlugin.onCommand(WorldGuardPlugin.java:260) [worldguard-6.1.jar:6.1] at com.sk89q.bukkit.util.DynamicPluginCommand.execute(DynamicPluginCommand.java:54) [worldedit-bukkit-6.0-beta-01.jar:?] at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:175) [craftbukkit-1.7.2-R0.4.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3023jnks] at org.bukkit.craftbukkit.v1_7_R1.CraftServer.dispatchCommand(CraftServer.java:683) [craftbukkit-1.7.2-R0.4.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3023jnks] at net.minecraft.server.v1_7_R1.PlayerConnection.handleCommand(PlayerConnection.java:952) [craftbukkit-1.7.2-R0.4.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3023jnks] at net.minecraft.server.v1_7_R1.PlayerConnection.a(PlayerConnection.java:814) [craftbukkit-1.7.2-R0.4.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3023jnks] at net.minecraft.server.v1_7_R1.PacketPlayInChat.a(PacketPlayInChat.java:28) [craftbukkit-1.7.2-R0.4.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3023jnks] at net.minecraft.server.v1_7_R1.PacketPlayInChat.handle(PacketPlayInChat.java:47) [craftbukkit-1.7.2-R0.4.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3023jnks] at net.minecraft.server.v1_7_R1.NetworkManager.a(NetworkManager.java:146) [craftbukkit-1.7.2-R0.4.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3023jnks] at net.minecraft.server.v1_7_R1.ServerConnection.c(SourceFile:134) [craftbukkit-1.7.2-R0.4.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3023jnks] at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:655) [craftbukkit-1.7.2-R0.4.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3023jnks] at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:250) [craftbukkit-1.7.2-R0.4.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3023jnks] at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:545) [craftbukkit-1.7.2-R0.4.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3023jnks] at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:457) [craftbukkit-1.7.2-R0.4.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3023jnks] at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [craftbukkit-1.7.2-R0.4.jar:git-Bukkit-1.7.2-R0.3-2-g85f5776-b3023jnks]