[13:23:59] [Server thread/ERROR]: Could not pass event PlayerInteractEvent to Essentials vTeamCity
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:295) ~[craftbukkit-1.8.jar:git-Bukkit-"24557bc"]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[craftbukkit-1.8.jar:git-Bukkit-"24557bc"]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:501) [craftbukkit-1.8.jar:git-Bukkit-"24557bc"]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:486) [craftbukkit-1.8.jar:git-Bukkit-"24557bc"]
	at org.bukkit.craftbukkit.v1_8_R1.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:209) [craftbukkit-1.8.jar:git-Bukkit-"24557bc"]
	at org.bukkit.craftbukkit.v1_8_R1.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:176) [craftbukkit-1.8.jar:git-Bukkit-"24557bc"]
	at org.bukkit.craftbukkit.v1_8_R1.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:172) [craftbukkit-1.8.jar:git-Bukkit-"24557bc"]
	at net.minecraft.server.v1_8_R1.PlayerConnection.a(PlayerConnection.java:653) [craftbukkit-1.8.jar:git-Bukkit-"24557bc"]
	at net.minecraft.server.v1_8_R1.PacketPlayInBlockPlace.a(PacketPlayInBlockPlace.java:50) [craftbukkit-1.8.jar:git-Bukkit-"24557bc"]
	at net.minecraft.server.v1_8_R1.PacketPlayInBlockPlace.a(PacketPlayInBlockPlace.java:80) [craftbukkit-1.8.jar:git-Bukkit-"24557bc"]
	at net.minecraft.server.v1_8_R1.PacketHandleTask.run(SourceFile:13) [craftbukkit-1.8.jar:git-Bukkit-"24557bc"]
	at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0_45]
	at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_45]
	at net.minecraft.server.v1_8_R1.MinecraftServer.z(MinecraftServer.java:645) [craftbukkit-1.8.jar:git-Bukkit-"24557bc"]
	at net.minecraft.server.v1_8_R1.DedicatedServer.z(DedicatedServer.java:284) [craftbukkit-1.8.jar:git-Bukkit-"24557bc"]
	at net.minecraft.server.v1_8_R1.MinecraftServer.y(MinecraftServer.java:600) [craftbukkit-1.8.jar:git-Bukkit-"24557bc"]
	at net.minecraft.server.v1_8_R1.MinecraftServer.run(MinecraftServer.java:508) [craftbukkit-1.8.jar:git-Bukkit-"24557bc"]
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_45]
Caused by: java.lang.NoSuchMethodError: org.bukkit.entity.Player.getTargetBlock(Ljava/util/Set;I)Lorg/bukkit/block/Block;
	at com.earth2me.essentials.signs.SignPlayerListener.onSignPlayerInteract(SignPlayerListener.java:47) ~[?:?]
	at sun.reflect.GeneratedMethodAccessor46.invoke(Unknown Source) ~[?:?]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_45]
	at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_45]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:293) ~[craftbukkit-1.8.jar:git-Bukkit-"24557bc"]
	... 17 more