Snippet of exception/crash
[23:02:03] [Server thread/INFO]: Dithyrambic issued server command: //pos2
[23:02:39] [Server thread/INFO]: Dithyrambic issued server command: //pos1
[23:03:18] [Server thread/INFO]: Dithyrambic issued server command: //copy
[23:04:23] [Spigot Watchdog Thread/ERROR]: The server has stopped responding!
[23:04:23] [Spigot Watchdog Thread/ERROR]: Please report this to http://www.spigotmc.org/
[23:04:23] [Spigot Watchdog Thread/ERROR]: Be sure to include ALL relevant console errors and Minecraft crash reports
[23:04:23] [Spigot Watchdog Thread/ERROR]: Spigot version: git-Spigot-7d78b81-e232e15 (MC: 1.11.2)
[23:04:23] [Spigot Watchdog Thread/ERROR]: ------------------------------
[23:04:23] [Spigot Watchdog Thread/ERROR]: Server thread dump (Look for plugins here before reporting to Spigot!):
[23:04:23] [Spigot Watchdog Thread/ERROR]: ------------------------------
[23:04:23] [Spigot Watchdog Thread/ERROR]: Current Thread: Server thread
[23:04:23] [Spigot Watchdog Thread/ERROR]: PID: 18 | Suspended: false | Native: false | State: RUNNABLE
[23:04:23] [Spigot Watchdog Thread/ERROR]: Stack:
[23:04:23] [Spigot Watchdog Thread/ERROR]: com.sk89q.worldedit.Vector.add(Vector.java:221)
[23:04:23] [Spigot Watchdog Thread/ERROR]: com.sk89q.worldedit.function.block.ExtentBlockCopy.apply(ExtentBlockCopy.java:78)
[23:04:23] [Spigot Watchdog Thread/ERROR]: com.sk89q.worldedit.function.RegionMaskingFilter.apply(RegionMaskingFilter.java:53)
[23:04:23] [Spigot Watchdog Thread/ERROR]: com.sk89q.worldedit.function.visitor.RegionVisitor.resume(RegionVisitor.java:57)
[23:04:23] [Spigot Watchdog Thread/ERROR]: com.sk89q.worldedit.function.operation.OperationQueue.resume(OperationQueue.java:89)
[23:04:23] [Spigot Watchdog Thread/ERROR]: com.sk89q.worldedit.function.operation.DelegateOperation.resume(DelegateOperation.java:52)
[23:04:23] [Spigot Watchdog Thread/ERROR]: com.sk89q.worldedit.function.operation.Operations.completeLegacy(Operations.java:55)
[23:04:23] [Spigot Watchdog Thread/ERROR]: com.sk89q.worldedit.command.ClipboardCommands.copy(ClipboardCommands.java:90)
[23:04:23] [Spigot Watchdog Thread/ERROR]: sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[23:04:23] [Spigot Watchdog Thread/ERROR]: sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
[23:04:23] [Spigot Watchdog Thread/ERROR]: sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
[23:04:23] [Spigot Watchdog Thread/ERROR]: java.lang.reflect.Method.invoke(Unknown Source)
[23:04:23] [Spigot Watchdog Thread/ERROR]: com.sk89q.worldedit.util.command.parametric.ParametricCallable.call(ParametricCallable.java:228)
[23:04:23] [Spigot Watchdog Thread/ERROR]: com.sk89q.worldedit.util.command.SimpleDispatcher.call(SimpleDispatcher.java:125)
[23:04:23] [Spigot Watchdog Thread/ERROR]: com.sk89q.worldedit.extension.platform.CommandManager.handleCommand(CommandManager.java:248)
[23:04:23] [Spigot Watchdog Thread/ERROR]: sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[23:04:23] [Spigot Watchdog Thread/ERROR]: sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
[23:04:23] [Spigot Watchdog Thread/ERROR]: sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
[23:04:23] [Spigot Watchdog Thread/ERROR]: java.lang.reflect.Method.invoke(Unknown Source)
[23:04:23] [Spigot Watchdog Thread/ERROR]: com.sk89q.worldedit.util.eventbus.MethodEventHandler.dispatch(MethodEventHandler.java:58)
[23:04:23] [Spigot Watchdog Thread/ERROR]: com.sk89q.worldedit.util.eventbus.EventHandler.handleEvent(EventHandler.java:73)
[23:04:23] [Spigot Watchdog Thread/ERROR]: com.sk89q.worldedit.util.eventbus.EventBus.dispatch(EventBus.java:187)
[23:04:23] [Spigot Watchdog Thread/ERROR]: com.sk89q.worldedit.util.eventbus.EventBus.post(EventBus.java:173)
[23:04:23] [Spigot Watchdog Thread/ERROR]: com.sk89q.worldedit.bukkit.WorldEditPlugin.onCommand(WorldEditPlugin.java:247)
[23:04:23] [Spigot Watchdog Thread/ERROR]: com.sk89q.bukkit.util.DynamicPluginCommand.execute(DynamicPluginCommand.java:54)
[23:04:23] [Spigot Watchdog Thread/ERROR]: org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141)
[23:04:23] [Spigot Watchdog Thread/ERROR]: org.bukkit.craftbukkit.v1_11_R1.CraftServer.dispatchCommand(CraftServer.java:649)
[23:04:23] [Spigot Watchdog Thread/ERROR]: net.minecraft.server.v1_11_R1.PlayerConnection.handleCommand(PlayerConnection.java:1344)
[23:04:23] [Spigot Watchdog Thread/ERROR]: net.minecraft.server.v1_11_R1.PlayerConnection.a(PlayerConnection.java:1179)
[23:04:23] [Spigot Watchdog Thread/ERROR]: net.minecraft.server.v1_11_R1.PacketPlayInChat.a(PacketPlayInChat.java:45)
[23:04:23] [Spigot Watchdog Thread/ERROR]: net.minecraft.server.v1_11_R1.PacketPlayInChat.a(PacketPlayInChat.java:1)
[23:04:23] [Spigot Watchdog Thread/ERROR]: net.minecraft.server.v1_11_R1.PlayerConnectionUtils$1.run(SourceFile:13)
[23:04:23] [Spigot Watchdog Thread/ERROR]: java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
[23:04:23] [Spigot Watchdog Thread/ERROR]: java.util.concurrent.FutureTask.run(Unknown Source)
[23:04:23] [Spigot Watchdog Thread/ERROR]: net.minecraft.server.v1_11_R1.SystemUtils.a(SourceFile:46)
[23:04:23] [Spigot Watchdog Thread/ERROR]: net.minecraft.server.v1_11_R1.MinecraftServer.D(MinecraftServer.java:739)
[23:04:23] [Spigot Watchdog Thread/ERROR]: net.minecraft.server.v1_11_R1.DedicatedServer.D(DedicatedServer.java:399)
[23:04:23] [Spigot Watchdog Thread/ERROR]: net.minecraft.server.v1_11_R1.MinecraftServer.C(MinecraftServer.java:675)
[23:04:23] [Spigot Watchdog Thread/ERROR]: net.minecraft.server.v1_11_R1.MinecraftServer.run(MinecraftServer.java:574)
[23:04:23] [Spigot Watchdog Thread/ERROR]: java.lang.Thread.run(Unknown Source)