[15:09:40] [Server thread/ERROR]: [WorldEdit] Could not dispatch event: com.sk89q.worldedit.event.platform.CommandSuggestionEvent@6c2af52c to handler EventHandler{priority=NORMAL}
java.lang.reflect.InvocationTargetException: null
	at com.sk89q.worldedit.util.eventbus.EventHandler.handleEvent(EventHandler.java:75) ~[WorldEdit-6.1.8-Build3690.jar:?]
	at com.sk89q.worldedit.util.eventbus.EventBus.dispatch(EventBus.java:187) [WorldEdit-6.1.8-Build3690.jar:?]
	at com.sk89q.worldedit.util.eventbus.EventBus.post(EventBus.java:173) [WorldEdit-6.1.8-Build3690.jar:?]
	at com.sk89q.worldedit.bukkit.WorldEditPlugin.onTabComplete(WorldEditPlugin.java:261) [WorldEdit-6.1.8-Build3690.jar:?]
	at com.sk89q.bukkit.util.DynamicPluginCommand.tabComplete(DynamicPluginCommand.java:84) [WorldEdit-6.1.8-Build3690.jar:?]
	at org.bukkit.command.Command.tabComplete(Command.java:90) [spigot-1.12_R01.jar:git-Spigot-23b6354-0481ae9]
	at org.bukkit.command.SimpleCommandMap.tabComplete(SimpleCommandMap.java:217) [spigot-1.12_R01.jar:git-Spigot-23b6354-0481ae9]
	at org.bukkit.craftbukkit.v1_12_R1.CraftServer.tabCompleteCommand(CraftServer.java:1603) [spigot-1.12_R01.jar:git-Spigot-23b6354-0481ae9]
	at org.bukkit.craftbukkit.v1_12_R1.CraftServer.tabComplete(CraftServer.java:1575) [spigot-1.12_R01.jar:git-Spigot-23b6354-0481ae9]
	at net.minecraft.server.v1_12_R1.MinecraftServer.tabCompleteCommand(MinecraftServer.java:1124) [spigot-1.12_R01.jar:git-Spigot-23b6354-0481ae9]
	at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:2238) [spigot-1.12_R01.jar:git-Spigot-23b6354-0481ae9]
	at net.minecraft.server.v1_12_R1.PacketPlayInTabComplete.a(SourceFile:52) [spigot-1.12_R01.jar:git-Spigot-23b6354-0481ae9]
	at net.minecraft.server.v1_12_R1.PacketPlayInTabComplete.a(SourceFile:11) [spigot-1.12_R01.jar:git-Spigot-23b6354-0481ae9]
	at net.minecraft.server.v1_12_R1.PlayerConnectionUtils$1.run(SourceFile:13) [spigot-1.12_R01.jar:git-Spigot-23b6354-0481ae9]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_121]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_121]
	at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) [spigot-1.12_R01.jar:git-Spigot-23b6354-0481ae9]
	at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:747) [spigot-1.12_R01.jar:git-Spigot-23b6354-0481ae9]
	at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:405) [spigot-1.12_R01.jar:git-Spigot-23b6354-0481ae9]
	at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:678) [spigot-1.12_R01.jar:git-Spigot-23b6354-0481ae9]
	at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:576) [spigot-1.12_R01.jar:git-Spigot-23b6354-0481ae9]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_121]
Caused by: java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_121]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_121]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_121]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_121]
	at com.sk89q.worldedit.util.eventbus.MethodEventHandler.dispatch(MethodEventHandler.java:58) ~[?:?]
	at com.sk89q.worldedit.util.eventbus.EventHandler.handleEvent(EventHandler.java:73) ~[?:?]
	... 21 more
Caused by: java.lang.RuntimeException: Invalid suggestion context
	at com.sk89q.worldedit.util.command.parametric.ParametricCallable.getSuggestions(ParametricCallable.java:363) ~[?:?]
	at com.sk89q.worldedit.util.command.SimpleDispatcher.getSuggestions(SimpleDispatcher.java:166) ~[?:?]
	at com.sk89q.worldedit.extension.platform.CommandManager.handleCommandSuggestion(CommandManager.java:464) ~[?:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_121]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_121]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_121]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_121]
	at com.sk89q.worldedit.util.eventbus.MethodEventHandler.dispatch(MethodEventHandler.java:58) ~[?:?]
	at com.sk89q.worldedit.util.eventbus.EventHandler.handleEvent(EventHandler.java:73) ~[?:?]
	... 21 more