Problem/Bug Errors appearing on the console

This error constantly pops up on my console and I'm not sure what's causing it or where this error is interfering, everything seems to work fine can anyone help me?

[15:25:43 ERROR]: Could not pass event PlayerInteractEvent to Essentials v2.0.1-b488
org.bukkit.event.EventException: null
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:298) ~[craftbukkit.jar:git-Bukkit-8f47214]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[craftbukkit.jar:git-Bukkit-8f47214]
at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:498) [craftbukkit.jar:git-Bukkit-8f47214]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:483) [craftbukkit.jar:git-Bukkit-8f47214]
at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:234) [craftbukkit.jar:git-Bukkit-8f47214]
at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:201) [craftbukkit.jar:git-Bukkit-8f47214]
at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:197) [craftbukkit.jar:git-Bukkit-8f47214]
at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:949) [craftbukkit.jar:git-Bukkit-8f47214]
at net.minecraft.server.v1_12_R1.PacketPlayInBlockPlace.a(SourceFile:32) [craftbukkit.jar:git-Bukkit-8f47214]
at net.minecraft.server.v1_12_R1.PacketPlayInBlockPlace.a(SourceFile:9) [craftbukkit.jar:git-Bukkit-8f47214]
at net.minecraft.server.v1_12_R1.PlayerConnectionUtils$1.run(SourceFile:13) [craftbukkit.jar:git-Bukkit-8f47214]
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0_144]
at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_144]
at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) [craftbukkit.jar:git-Bukkit-8f47214]
at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:696) [craftbukkit.jar:git-Bukkit-8f47214]
at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:371) [craftbukkit.jar:git-Bukkit-8f47214]
at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:651) [craftbukkit.jar:git-Bukkit-8f47214]
at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:555) [craftbukkit.jar:git-Bukkit-8f47214]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_144]
Caused by: java.lang.NoSuchMethodError: org.bukkit.entity.Player.getTargetBlock(Ljava/util/HashSet;I)Lorg/bukkit/block/Block;
at com.earth2me.essentials.signs.SignPlayerListener.onSignPlayerInteract(SignPlayerListener.java:41) ~[?:?]
at sun.reflect.GeneratedMethodAccessor222.invoke(Unknown Source) ~[?:?]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_144]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_144]
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:296) ~[craftbukkit.jar:git-Bukkit-8f47214]
... 18 more

 

@Hoberth
Essentials does not support updates higher than 1.8. Use EssentialsX :
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