script-errors

[02:09:18 ERROR]: Could not pass event PlayerMoveEvent to Skript v2.1.2
java.lang.IncompatibleClassChangeError: Found interface com.sk89q.worldguard.protection.ApplicableRegionSet, but class was expected
        at ch.njol.skript.hooks.regions.WorldGuardHook.getRegionsAt_i(WorldGuardHook.java:195) ~[?:?]
        at ch.njol.skript.hooks.regions.RegionsPlugin.getRegionsAt(RegionsPlugin.java:94) ~[?:?]
        at ch.njol.skript.hooks.regions.events.EvtRegionBorder$3.execute(EvtRegionBorder.java:158) ~[?:?]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot.jar:git-Spigot-9a88a38-2ba7357]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [spigot.jar:git-Spigot-9a88a38-2ba7357]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [spigot.jar:git-Spigot-9a88a38-2ba7357]
        at net.minecraft.server.v1_8_R1.PlayerConnection.a(PlayerConnection.java:254) [spigot.jar:git-Spigot-9a88a38-2ba7357]
        at net.minecraft.server.v1_8_R1.PacketPlayInFlying.a(SourceFile:126) [spigot.jar:git-Spigot-9a88a38-2ba7357]
        at net.minecraft.server.v1_8_R1.PacketPlayInPosition.a(SourceFile:57) [spigot.jar:git-Spigot-9a88a38-2ba7357]
        at net.minecraft.server.v1_8_R1.PacketHandleTask.run(SourceFile:13) [spigot.jar:git-Spigot-9a88a38-2ba7357]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) [?:1.7.0]
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) [?:1.7.0]
        at java.util.concurrent.FutureTask.run(FutureTask.java:166) [?:1.7.0]
        at net.minecraft.server.v1_8_R1.MinecraftServer.z(MinecraftServer.java:683) [spigot.jar:git-Spigot-9a88a38-2ba7357]
        at net.minecraft.server.v1_8_R1.DedicatedServer.z(DedicatedServer.java:316) [spigot.jar:git-Spigot-9a88a38-2ba7357]
        at net.minecraft.server.v1_8_R1.MinecraftServer.y(MinecraftServer.java:623) [spigot.jar:git-Spigot-9a88a38-2ba7357]
        at net.minecraft.server.v1_8_R1.MinecraftServer.run(MinecraftServer.java:526) [spigot.jar:git-Spigot-9a88a38-2ba7357]
        at java.lang.Thread.run(Thread.java:722) [?:1.7.0]