[17:37:18] [Server thread/ERROR]: Could not pass event PlayerAnimationEvent to ProjectKorra v1.6.0 BETA 7 org.bukkit.event.EventException at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:305) ~[spigot-1.8.jar:git-Spigot-59b08be-0899683] at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot-1.8.jar:git-Spigot-59b08be-0899683] at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [spigot-1.8.jar:git-Spigot-59b08be-0899683] at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [spigot-1.8.jar:git-Spigot-59b08be-0899683] at net.minecraft.server.v1_8_R1.PlayerConnection.a(PlayerConnection.java:1158) [spigot-1.8.jar:git-Spigot-59b08be-0899683] at net.minecraft.server.v1_8_R1.PacketPlayInArmAnimation.a(SourceFile:22) [spigot-1.8.jar:git-Spigot-59b08be-0899683] at net.minecraft.server.v1_8_R1.PacketPlayInArmAnimation.a(SourceFile:8) [spigot-1.8.jar:git-Spigot-59b08be-0899683] at net.minecraft.server.v1_8_R1.PacketHandleTask.run(SourceFile:13) [spigot-1.8.jar:git-Spigot-59b08be-0899683] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_25] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_25] at net.minecraft.server.v1_8_R1.MinecraftServer.z(MinecraftServer.java:683) [spigot-1.8.jar:git-Spigot-59b08be-0899683] at net.minecraft.server.v1_8_R1.DedicatedServer.z(DedicatedServer.java:316) [spigot-1.8.jar:git-Spigot-59b08be-0899683] at net.minecraft.server.v1_8_R1.MinecraftServer.y(MinecraftServer.java:623) [spigot-1.8.jar:git-Spigot-59b08be-0899683] at net.minecraft.server.v1_8_R1.MinecraftServer.run(MinecraftServer.java:526) [spigot-1.8.jar:git-Spigot-59b08be-0899683] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_25] Caused by: java.lang.IncompatibleClassChangeError: Found interface com.sk89q.worldguard.protection.ApplicableRegionSet, but class was expected at com.projectkorra.ProjectKorra.Methods.isRegionProtectedFromBuild(Methods.java:1352) ~[?:?] at com.projectkorra.ProjectKorra.Methods.canBend(Methods.java:301) ~[?:?] at com.projectkorra.ProjectKorra.PKListener.onPlayerSwing(PKListener.java:773) ~[?:?] at sun.reflect.GeneratedMethodAccessor137.invoke(Unknown Source) ~[?:?] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_25] at java.lang.reflect.Method.invoke(Method.java:483) ~[?:1.8.0_25] at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:301) ~[spigot-1.8.jar:git-Spigot-59b08be-0899683] ... 14 more