[23:09:48] [Server thread/ERROR]: Could not pass event PlayerInteractEvent to Essentials v2.0.1-b499
org.bukkit.event.EventException: null
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306) ~[spigot_1.12.1.jar:git-Spigot-edd0396-20ab5d3]
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot_1.12.1.jar:git-Spigot-edd0396-20ab5d3]
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:499) [spigot_1.12.1.jar:git-Spigot-edd0396-20ab5d3]
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:484) [spigot_1.12.1.jar:git-Spigot-edd0396-20ab5d3]
    at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:234) [spigot_1.12.1.jar:git-Spigot-edd0396-20ab5d3]
    at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:201) [spigot_1.12.1.jar:git-Spigot-edd0396-20ab5d3]
    at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:197) [spigot_1.12.1.jar:git-Spigot-edd0396-20ab5d3]
    at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:983) [spigot_1.12.1.jar:git-Spigot-edd0396-20ab5d3]
    at net.minecraft.server.v1_12_R1.PacketPlayInBlockPlace.a(PacketPlayInBlockPlace.java:26) [spigot_1.12.1.jar:git-Spigot-edd0396-20ab5d3]
    at net.minecraft.server.v1_12_R1.PacketPlayInBlockPlace.a(PacketPlayInBlockPlace.java:1) [spigot_1.12.1.jar:git-Spigot-edd0396-20ab5d3]
    at net.minecraft.server.v1_12_R1.PlayerConnectionUtils$1.run(SourceFile:13) [spigot_1.12.1.jar:git-Spigot-edd0396-20ab5d3]
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_66]
    at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_66]
    at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) [spigot_1.12.1.jar:git-Spigot-edd0396-20ab5d3]
    at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:748) [spigot_1.12.1.jar:git-Spigot-edd0396-20ab5d3]
    at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [spigot_1.12.1.jar:git-Spigot-edd0396-20ab5d3]
    at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot_1.12.1.jar:git-Spigot-edd0396-20ab5d3]
    at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot_1.12.1.jar:git-Spigot-edd0396-20ab5d3]
    at java.lang.Thread.run(Thread.java:745) [?:1.8.0_66]
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.GeneratedMethodAccessor164.invoke(Unknown Source) ~[?:?]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_66]
    at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_66]
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) ~[spigot_1.12.1.jar:git-Spigot-edd0396-20ab5d3]
    ... 18 more