[17:10:24 INFO]: XInfiniterX issued server command: /spawner zombie
[17:10:24 ERROR]: Komenda spawner zawiodla.java.lang.NoSuchMethodError: org.bukkit.entity.LivingEntity.getTargetBlock(Ljava/util/HashSet;I)Lorg/bukkit/block/Block;	at com.earth2me.essentials.utils.LocationUtil.getTarget(LocationUtil.java:200) ~[Essentials-2.x-SNAPSHOT.jar:?]	at com.earth2me.essentials.commands.Commandspawner.run(Commandspawner.java:32) ~[Essentials-2.x-SNAPSHOT.jar:?]
at com.earth2me.essentials.commands.EssentialsCommand.run(EssentialsCommand.java:180) ~[Essentials-2.x-SNAPSHOT.jar:?]	at com.earth2me.essentials.Essentials.onCommandEssentials(Essentials.java:526) [Essentials-2.x-SNAPSHOT.jar:?]	at com.earth2me.essentials.Essentials.onCommand(Essentials.java:401) [Essentials-2.x-SNAPSHOT.jar:?]	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) [server.jar:git-Spigot-da42974-8f47214]	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) [server.jar:git-Spigot-da42974-8f47214]	at org.bukkit.craftbukkit.v1_12_R1.CraftServer.dispatchCommand(CraftServer.java:651) [server.jar:git-Spigot-da42974-8f47214]	at net.minecraft.server.v1_12_R1.PlayerConnection.handleCommand(PlayerConnection.java:1386) [server.jar:git-Spigot-da42974-8f47214]	at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:1221) [server.jar:git-Spigot-da42974-8f47214]	at net.minecraft.server.v1_12_R1.PacketPlayInChat.a(PacketPlayInChat.java:45) [server.jar:git-Spigot-da42974-8f47214]	at net.minecraft.server.v1_12_R1.PacketPlayInChat.a(PacketPlayInChat.java:1) [server.jar:git-Spigot-da42974-8f47214]	at net.minecraft.server.v1_12_R1.PlayerConnectionUtils$1.run(SourceFile:13) [server.jar:git-Spigot-da42974-8f47214]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_101]	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_101]	at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) [server.jar:git-Spigot-da42974-8f47214]	at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:748) [server.jar:git-Spigot-da42974-8f47214]	at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [server.jar:git-Spigot-da42974-8f47214]	at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [server.jar:git-Spigot-da42974-8f47214]	at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [server.jar:git-Spigot-da42974-8f47214]	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_101]