Bukkit

[12:19:36 ERROR]: Could not pass event PlayerInteractEvent to Chairs v4.1 org.bukkit.event.EventException at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) ~[gbinvl_minecraft_craftbukkit_1_9.jar:git-Bukkit-6f032cd] at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[gbinvl_minecraft_craftbukkit_1_9.jar:git-Bukkit-6f032cd] at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:501) [gbinvl_minecraft_craftbukkit_1_9.jar:git-Bukkit-6f032cd] at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:486) [gbinvl_minecraft_craftbukkit_1_9.jar:git-Bukkit-6f032cd] at org.bukkit.craftbukkit.v1_9_R1.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:226) [gbinvl_minecraft_craftbukkit_1_9.jar:git-Bukkit-6f032cd] at net.minecraft.server.v1_9_R1.PlayerInteractManager.a(PlayerInteractManager.java:482) [gbinvl_minecraft_craftbukkit_1_9.jar:git-Bukkit-6f032cd] at net.minecraft.server.v1_9_R1.PlayerConnection.a(PlayerConnection.java:827) [gbinvl_minecraft_craftbukkit_1_9.jar:git-Bukkit-6f032cd] at

net.minecraft.server.v1_9_R1.PacketPlayInUseItem.a(SourceFile:55) [gbinvl_minecraft_craftbukkit_1_9.jar:git-Bukkit-6f032cd] at net.minecraft.server.v1_9_R1.PacketPlayInUseItem.a(SourceFile:11) [gbinvl_minecraft_craftbukkit_1_9.jar:git-Bukkit-6f032cd] at net.minecraft.server.v1_9_R1.PlayerConnectionUtils$1.run(SourceFile:13) [gbinvl_minecraft_craftbukkit_1_9.jar:git-Bukkit-6f032cd] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_45-internal] at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_45-internal] at net.minecraft.server.v1_9_R1.SystemUtils.a(SourceFile:45) [gbinvl_minecraft_craftbukkit_1_9.jar:git-Bukkit-6f032cd] at net.minecraft.server.v1_9_R1.MinecraftServer.D(MinecraftServer.java:679) [gbinvl_minecraft_craftbukkit_1_9.jar:git-Bukkit-6f032cd] at net.minecraft.server.v1_9_R1.DedicatedServer.D(DedicatedServer.java:361) [gbinvl_minecraft_craftbukkit_1_9.jar:git-Bukkit-6f032cd] at net.minecraft.server.v1_9_R1.MinecraftServer.C(MinecraftServer.java:635) [gbinvl_minecraft_craftbukkit_1_9.jar:git-Bukkit-6f032cd] at net.minecraft.server.v1_9_R1.MinecraftServer.run(MinecraftServer.java:539) [gbinvl_minecraft_craftbukkit_1_9.jar:git-Bukkit-6f032cd] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_45-internal] Caused by: java.lang.NoSuchMethodError: org.bukkit.event.player.PlayerInteractEvent.getHand()Lorg/bukkit/inventory/EquipmentSlot; at com.cnaude.chairs.listeners.TrySitEventListener.onPlayerInteract(TrySitEventListener.java:32) ~[?:?] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_45-internal] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_45-internal] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_45-internal] at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_45-internal] at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:300) ~[gbinvl_minecraft_craftbukkit_1_9.jar:git-Bukkit-6f032cd] ... 17 more