UltimateKits Error

[19:03:43 INFO]: UltimateKits 2.4.12 by Songoda <3!
> [19:03:43 INFO]: Action: Enabling...
> [19:03:43 INFO]: [UltimateKits] Loaded locale "en_US"
> [19:03:43 INFO]: [SongodaCore] Hooked UltimateKits.
> [19:03:43 ERROR]: Unexpected error while loading UltimateKits v2.4.12 c2.2.11: Disabling plugin!
java.lang.NoSuchMethodError: org.bukkit.inventory.meta.SkullMeta.setOwningPlayer(Lorg/bukkit/OfflinePlayer;)Z
at com.earth2me.essentials.MetaItemStack.addStringMeta(MetaItemStack.java:181) ~[EssentialsX-2.17.1.0.jar:?]
at com.earth2me.essentials.MetaItemStack.parseStringMeta(MetaItemStack.java:136) ~[EssentialsX-2.17.1.0.jar:?]
at com.songoda.ultimatekits.conversion.hooks.EssentialsHook.getItems(EssentialsHook.java:33) ~[ultimatekits-2.4.12.jar:?]
at com.songoda.ultimatekits.conversion.Convert.convertKits(Convert.java:45) ~[ultimatekits-2.4.12.jar:?]
at com.songoda.ultimatekits.conversion.Convert.runKitConversions(Convert.java:25) ~[ultimatekits-2.4.12.jar:?]
at com.songoda.ultimatekits.UltimateKits.onPluginEnable(UltimateKits.java:107) ~[ultimatekits-2.4.12.jar:?]
at com.songoda.ultimatekits.core.SongodaPlugin.onEnable(SongodaPlugin.java:97) [ultimatekits-2.4.12.jar:?]
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:321) [server.jar:git-PaperSpigot-"4c7641d"]
at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:332) [server.jar:git-PaperSpigot-"4c7641d"]
at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:407) [server.jar:git-PaperSpigot-"4c7641d"]
at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadPlugin(CraftServer.java:359) [server.jar:git-PaperSpigot-"4c7641d"]
at org.bukkit.craftbukkit.v1_8_R3.CraftServer.enablePlugins(CraftServer.java:318) [server.jar:git-PaperSpigot-"4c7641d"]
at net.minecraft.server.v1_8_R3.MinecraftServer.s(MinecraftServer.java:408) [server.jar:git-PaperSpigot-"4c7641d"]
at net.minecraft.server.v1_8_R3.MinecraftServer.k(MinecraftServer.java:372) [server.jar:git-PaperSpigot-"4c7641d"]
at net.minecraft.server.v1_8_R3.MinecraftServer.a(MinecraftServer.java:327) [server.jar:git-PaperSpigot-"4c7641d"]
at net.minecraft.server.v1_8_R3.DedicatedServer.init(DedicatedServer.java:267) [server.jar:git-PaperSpigot-"4c7641d"]
at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:563) [server.jar:git-PaperSpigot-"4c7641d"]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_212]
> [19:03:43 INFO]: [UltimateKits] Disabling UltimateKits v2.4.12
> [19:03:43 INFO]: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~