minecraft plugin AutoRegion error

[17:50:33] [Server thread/ERROR]: Could not pass event BlockPlaceEvent to AutoRegion v0.4.1
java.lang.NoClassDefFoundError: com/sk89q/worldedit/BlockVector
	at com.stausssi.AutoRegion.Events.onBlockPlaced(Events.java:62) ~[?:?]
	at com.destroystokyo.paper.event.executor.StaticMethodHandleEventExecutor.execute(StaticMethodHandleEventExecutor.java:38) ~[patched_1.14.2.jar:git-Paper-68]
	at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:80) ~[patched_1.14.2.jar:git-Paper-68]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[patched_1.14.2.jar:git-Paper-68]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:536) ~[patched_1.14.2.jar:git-Paper-68]
	at org.bukkit.craftbukkit.v1_14_R1.event.CraftEventFactory.callBlockPlaceEvent(CraftEventFactory.java:324) ~[patched_1.14.2.jar:git-Paper-68]
	at net.minecraft.server.v1_14_R1.ItemStack.placeItem(ItemStack.java:231) ~[patched_1.14.2.jar:git-Paper-68]
	at net.minecraft.server.v1_14_R1.PlayerInteractManager.a(PlayerInteractManager.java:500) ~[patched_1.14.2.jar:git-Paper-68]
	at net.minecraft.server.v1_14_R1.PlayerConnection.a(PlayerConnection.java:1393) ~[patched_1.14.2.jar:git-Paper-68]
	at net.minecraft.server.v1_14_R1.PacketPlayInUseItem.a(PacketPlayInUseItem.java:27) ~[patched_1.14.2.jar:git-Paper-68]
	at net.minecraft.server.v1_14_R1.PacketPlayInUseItem.a(PacketPlayInUseItem.java:5) ~[patched_1.14.2.jar:git-Paper-68]
	at net.minecraft.server.v1_14_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:18) ~[patched_1.14.2.jar:git-Paper-68]
	at net.minecraft.server.v1_14_R1.TickTask.run(SourceFile:18) ~[patched_1.14.2.jar:git-Paper-68]
	at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.executeTask(IAsyncTaskHandler.java:127) ~[patched_1.14.2.jar:git-Paper-68]
	at net.minecraft.server.v1_14_R1.IAsyncTaskHandlerReentrant.executeTask(SourceFile:23) ~[patched_1.14.2.jar:git-Paper-68]
	at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.executeNext(IAsyncTaskHandler.java:105) ~[patched_1.14.2.jar:git-Paper-68]
	at net.minecraft.server.v1_14_R1.MinecraftServer.aW(MinecraftServer.java:998) ~[patched_1.14.2.jar:git-Paper-68]
	at net.minecraft.server.v1_14_R1.MinecraftServer.executeNext(MinecraftServer.java:991) ~[patched_1.14.2.jar:git-Paper-68]
	at net.minecraft.server.v1_14_R1.IAsyncTaskHandler.awaitTasks(IAsyncTaskHandler.java:115) ~[patched_1.14.2.jar:git-Paper-68]
	at net.minecraft.server.v1_14_R1.MinecraftServer.sleepForTick(MinecraftServer.java:975) ~[patched_1.14.2.jar:git-Paper-68]
	at net.minecraft.server.v1_14_R1.MinecraftServer.run(MinecraftServer.java:908) ~[patched_1.14.2.jar:git-Paper-68]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_212]
Caused by: java.lang.ClassNotFoundException: com.sk89q.worldedit.BlockVector
	at java.net.URLClassLoader.findClass(URLClassLoader.java:382) ~[?:1.8.0_212]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:139) ~[patched_1.14.2.jar:git-Paper-68]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:85) ~[patched_1.14.2.jar:git-Paper-68]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_212]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_212]
	... 22 more