[WorldEdit] An unexpected error while handling a WorldEdit command
java.lang.AbstractMethodError: null
	at com.sk89q.worldedit.extent.AbstractDelegateExtent.getFullBlock(AbstractDelegateExtent.java:75) ~[?:?]
	at com.sk89q.worldedit.extent.AbstractDelegateExtent.getFullBlock(AbstractDelegateExtent.java:75) ~[?:?]
	at com.sk89q.worldedit.extent.AbstractDelegateExtent.getFullBlock(AbstractDelegateExtent.java:75) ~[?:?]
	at com.sk89q.worldedit.extent.AbstractDelegateExtent.getFullBlock(AbstractDelegateExtent.java:75) ~[?:?]
	at com.sk89q.worldedit.extent.AbstractDelegateExtent.getFullBlock(AbstractDelegateExtent.java:75) ~[?:?]
	at com.sk89q.worldedit.extent.ChangeSetExtent.setBlock(ChangeSetExtent.java:63) ~[?:?]
	at com.sk89q.worldedit.extent.AbstractDelegateExtent.setBlock(AbstractDelegateExtent.java:80) ~[?:?]
	at com.sk89q.worldedit.extent.MaskingExtent.setBlock(MaskingExtent.java:69) ~[?:?]
	at com.sk89q.worldedit.extent.AbstractDelegateExtent.setBlock(AbstractDelegateExtent.java:80) ~[?:?]
	at com.sk89q.worldedit.extent.validation.BlockChangeLimiter.setBlock(BlockChangeLimiter.java:87) ~[?:?]
	at com.sk89q.worldedit.EditSession.setBlock(EditSession.java:615) ~[?:?]
	at com.sk89q.worldedit.EditSession.setBlock(EditSession.java:658) ~[?:?]
	at com.sk89q.worldedit.function.block.BlockReplace.apply(BlockReplace.java:53) ~[?:?]
	at com.sk89q.worldedit.function.visitor.RegionVisitor.resume(RegionVisitor.java:57) ~[?:?]
	at com.sk89q.worldedit.function.operation.Operations.completeBlindly(Operations.java:74) ~[?:?]
	at com.sk89q.worldedit.command.composition.SelectionCommand.call(SelectionCommand.java:84) ~[?:?]
	at com.sk89q.worldedit.command.composition.SelectionCommand.call(SelectionCommand.java:46) ~[?:?]
	at com.sk89q.worldedit.util.command.composition.LegacyCommandAdapter.call(LegacyCommandAdapter.java:52) ~[?:?]
	at com.sk89q.worldedit.util.command.SimpleDispatcher.call(SimpleDispatcher.java:125) ~[?:?]
	at com.sk89q.worldedit.extension.platform.CommandManager.handleCommand(CommandManager.java:275) ~[?:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_151]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_151]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_151]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_151]
	at com.sk89q.worldedit.util.eventbus.MethodEventHandler.dispatch(MethodEventHandler.java:58) ~[?:?]
	at com.sk89q.worldedit.util.eventbus.EventHandler.handleEvent(EventHandler.java:73) ~[?:?]
	at com.sk89q.worldedit.util.eventbus.EventBus.dispatch(EventBus.java:187) ~[?:?]
	at com.sk89q.worldedit.util.eventbus.EventBus.post(EventBus.java:173) ~[?:?]
	at com.sk89q.worldedit.bukkit.WorldEditPlugin.onCommand(WorldEditPlugin.java:231) ~[?:?]
	at com.sk89q.bukkit.util.DynamicPluginCommand.execute(DynamicPluginCommand.java:54) ~[?:?]
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:139) ~[minecraft.jar:git-Spigot-a1f2566-8cd538e]
	at org.bukkit.craftbukkit.v1_13_R2.CraftServer.dispatchCommand(CraftServer.java:702) ~[minecraft.jar:git-Spigot-a1f2566-8cd538e]
	at net.minecraft.server.v1_13_R2.PlayerConnection.handleCommand(PlayerConnection.java:1648) ~[minecraft.jar:git-Spigot-a1f2566-8cd538e]
	at net.minecraft.server.v1_13_R2.PlayerConnection.a(PlayerConnection.java:1483) ~[minecraft.jar:git-Spigot-a1f2566-8cd538e]
	at net.minecraft.server.v1_13_R2.PacketPlayInChat.a(PacketPlayInChat.java:45) ~[minecraft.jar:git-Spigot-a1f2566-8cd538e]
	at net.minecraft.server.v1_13_R2.PacketPlayInChat.a(PacketPlayInChat.java:1) ~[minecraft.jar:git-Spigot-a1f2566-8cd538e]
	at net.minecraft.server.v1_13_R2.PlayerConnectionUtils.a(SourceFile:10) ~[minecraft.jar:git-Spigot-a1f2566-8cd538e]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_151]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_151]
	at net.minecraft.server.v1_13_R2.SystemUtils.a(SourceFile:199) [minecraft.jar:git-Spigot-a1f2566-8cd538e]
	at net.minecraft.server.v1_13_R2.MinecraftServer.b(MinecraftServer.java:900) [minecraft.jar:git-Spigot-a1f2566-8cd538e]
	at net.minecraft.server.v1_13_R2.DedicatedServer.b(DedicatedServer.java:417) [minecraft.jar:git-Spigot-a1f2566-8cd538e]
	at net.minecraft.server.v1_13_R2.MinecraftServer.a(MinecraftServer.java:835) [minecraft.jar:git-Spigot-a1f2566-8cd538e]
	at net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:733) [minecraft.jar:git-Spigot-a1f2566-8cd538e]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_151]