[13:42:17] [Server thread/INFO] [Minecraft.WorldEdit/]: [WorldEdit] Using inbuilt NmsBlock for this version.
[13:42:47] [Server thread/WARN] [Minecraft.WorldEdit/]: WorldEdit: Failed to do NMS safe block set
java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_212]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_212]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_212]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_212]
	at com.sk89q.worldedit.bukkit.BukkitWorld.setBlock(BukkitWorld.java:1362) [WorldEdit.jar:?]
	at com.sk89q.worldedit.EditSession.rawSetBlock(EditSession.java:233) [WorldEdit.jar:?]
	at com.sk89q.worldedit.EditSession.flushQueue(EditSession.java:693) [WorldEdit.jar:?]
	at com.sk89q.worldedit.EditSession.undo(EditSession.java:422) [WorldEdit.jar:?]
	at com.sk89q.worldedit.LocalSession.undo(LocalSession.java:150) [WorldEdit.jar:?]
	at com.sk89q.worldedit.commands.HistoryCommands.undo(HistoryCommands.java:54) [WorldEdit.jar:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_212]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_212]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_212]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_212]
	at com.sk89q.minecraft.util.commands.CommandsManager.invokeMethod(CommandsManager.java:533) [WorldEdit.jar:?]
	at com.sk89q.worldedit.WorldEdit$1.invokeMethod(WorldEdit.java:258) [WorldEdit.jar:?]
	at com.sk89q.worldedit.WorldEdit$1.invokeMethod(WorldEdit.java:189) [WorldEdit.jar:?]
	at com.sk89q.minecraft.util.commands.CommandsManager.executeMethod(CommandsManager.java:520) [WorldEdit.jar:?]
	at com.sk89q.minecraft.util.commands.CommandsManager.execute(CommandsManager.java:425) [WorldEdit.jar:?]
	at com.sk89q.worldedit.WorldEdit.handleCommand(WorldEdit.java:1464) [WorldEdit.jar:?]
	at com.sk89q.worldedit.bukkit.WorldEditPlugin.onCommand(WorldEditPlugin.java:242) [WorldEdit.jar:?]
	at com.sk89q.bukkit.util.DynamicPluginCommand.execute(DynamicPluginCommand.java:52) [WorldEdit.jar:?]
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:181) [SimpleCommandMap.class:1.7.10-1614.57]
	at org.bukkit.craftbukkit.v1_7_R4.CraftServer.dispatchCommand(CraftServer.java:740) [CraftServer.class:1.7.10-1614.57]
	at net.minecraft.network.NetHandlerPlayServer.func_147361_d(NetHandlerPlayServer.java:1370) [nh.class:?]
	at net.minecraft.network.NetHandlerPlayServer.func_147354_a(NetHandlerPlayServer.java:1107) [nh.class:?]
	at net.minecraft.network.play.client.C01PacketChatMessage.func_148833_a(C01PacketChatMessage.java:38) [ir.class:?]
	at net.minecraft.network.play.client.C01PacketChatMessage.func_148833_a(C01PacketChatMessage.java:53) [ir.class:?]
	at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:245) [ej.class:?]
	at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:181) [nc.class:?]
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:1023) [MinecraftServer.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:841) [MinecraftServer.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:693) [MinecraftServer.class:?]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_212]
Caused by: java.lang.NoSuchMethodError: net.minecraft.world.WorldServer.notify(III)V
	at com.sk89q.worldedit.bukkit.DefaultNmsBlock.setSafely(DefaultNmsBlock.java:234) ~[?:?]
	... 35 more