[Server thread/ERROR]: Could not pass event PlayerMoveEvent to ChristmasSurprise v1.14
org.bukkit.event.EventException: null
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:308) ~[spigot.jar:git-Spigot-a1f2566-97b0057]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot.jar:git-Spigot-a1f2566-97b0057]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:500) ~[spigot.jar:git-Spigot-a1f2566-97b0057]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:485) ~[spigot.jar:git-Spigot-a1f2566-97b0057]
	at net.minecraft.server.v1_13_R2.PlayerConnection.a(PlayerConnection.java:948) ~[spigot.jar:git-Spigot-a1f2566-97b0057]
	at net.minecraft.server.v1_13_R2.PacketPlayInFlying.a(SourceFile:126) ~[spigot.jar:git-Spigot-a1f2566-97b0057]
	at net.minecraft.server.v1_13_R2.PacketPlayInFlying$PacketPlayInPosition.a(SourceFile:57) ~[spigot.jar:git-Spigot-a1f2566-97b0057]
	at net.minecraft.server.v1_13_R2.PlayerConnectionUtils.a(SourceFile:10) ~[spigot.jar:git-Spigot-a1f2566-97b0057]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_191]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_191]
	at net.minecraft.server.v1_13_R2.SystemUtils.a(SourceFile:199) [spigot.jar:git-Spigot-a1f2566-97b0057]
	at net.minecraft.server.v1_13_R2.MinecraftServer.b(MinecraftServer.java:900) [spigot.jar:git-Spigot-a1f2566-97b0057]
	at net.minecraft.server.v1_13_R2.DedicatedServer.b(DedicatedServer.java:417) [spigot.jar:git-Spigot-a1f2566-97b0057]
	at net.minecraft.server.v1_13_R2.MinecraftServer.a(MinecraftServer.java:835) [spigot.jar:git-Spigot-a1f2566-97b0057]
	at net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:733) [spigot.jar:git-Spigot-a1f2566-97b0057]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_191]
Caused by: java.lang.NoClassDefFoundError: com/sk89q/worldedit/Vector
	at me.F_o_F_1092.ChristmasSurprise.SnowballArena.isLocationInsideTheRegion(SnowballArena.java:181) ~[?:?]
	at me.F_o_F_1092.ChristmasSurprise.EventListener.onPlayerMove(EventListener.java:488) ~[?:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_191]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_191]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_191]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_191]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:304) ~[spigot.jar:git-Spigot-a1f2566-97b0057]
	... 15 more
Caused by: java.lang.ClassNotFoundException: com.sk89q.worldedit.Vector
	at java.net.URLClassLoader.findClass(URLClassLoader.java:382) ~[?:1.8.0_191]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:154) ~[spigot.jar:git-Spigot-a1f2566-97b0057]
	at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:100) ~[spigot.jar:git-Spigot-a1f2566-97b0057]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_191]
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_191]
	at me.F_o_F_1092.ChristmasSurprise.SnowballArena.isLocationInsideTheRegion(SnowballArena.java:181) ~[?:?]
	at me.F_o_F_1092.ChristmasSurprise.EventListener.onPlayerMove(EventListener.java:488) ~[?:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_191]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_191]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_191]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_191]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:304) ~[spigot.jar:git-Spigot-a1f2566-97b0057]
	... 15 more