Вот что выдаёт консоль: java.lang.NoSuchMethodError: org.bukkit.event.entity.EntityDamageEvent.(Lorg/bukkit/entity/Entity;Lorg/bukkit/event/entity/EntityDamageEvent$DamageCause;I)V
at com.earth2me.essentials.commands.Commandkill.updatePlayer(Commandkill.java:37) ~[Essentials-2.x-SNAPSHOT.jar:?]
at com.earth2me.essentials.commands.EssentialsLoopCommand.loopOnlinePlayers(EssentialsLoopCommand.java:132) ~[Essentials-2.x-SNAPSHOT.jar:?]
at com.earth2me.essentials.commands.Commandkill.run(Commandkill.java:26) ~[Essentials-2.x-SNAPSHOT.jar:?]
at com.earth2me.essentials.commands.EssentialsCommand.run(EssentialsCommand.java:192) ~[Essentials-2.x-SNAPSHOT.jar:?]
at com.earth2me.essentials.Essentials.onCommandEssentials(Essentials.java:523) [Essentials-2.x-SNAPSHOT.jar:?]
at com.earth2me.essentials.Essentials.onCommand(Essentials.java:402) [Essentials-2.x-SNAPSHOT.jar:?]
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) [spigot-1.12.2.jar: git-Spigot-7754231-9a1f5ee]
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) [spigot-1.12.2.jar: git-Spigot-7754231-9a1f5ee]
at org.bukkit.craftbukkit.v1_12_R1.CraftServer.dispatchCommand(CraftServer.java:651) [spigot-1.12.2.jar: git-Spigot-7754231-9a1f5ee]
at org.bukkit.craftbukkit.v1_12_R1.CraftServer.dispatchServerCommand(CraftServer.java:637) [spigot-1.12.2.jar: git-Spigot-7754231-9a1f5ee]
at net.minecraft.server.v1_12_R1.DedicatedServer.aP(DedicatedServer.java:444) [spigot-1.12.2.jar: git-Spigot-7754231-9a1f5ee]
at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:407) [spigot-1.12.2.jar: git-Spigot-7754231-9a1f5ee]
at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [spigot-1.12.2.jar: git-Spigot-7754231-9a1f5ee]
at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [spigot-1.12.2.jar: git-Spigot-7754231-9a1f5ee]
at java.lang.Thread.run(Thread.java:745) [?:1.8.0_112]
Это на сервере или в одиночке?
