看不出来是哪个插件的报错
java.lang.NoSuchMethodException: net.minecraft.server.v1_12_R1.PacketPlayOutChat.<init>(net.minecraft.server.v1_12_R1.IChatBaseComponent, byte)
[13:39:39 WARN]: at java.lang.Class.getConstructor0(Unknown Source)
[13:39:39 WARN]: at java.lang.Class.getConstructor(Unknown Source)
[13:39:39 WARN]: at me.skymc.pvplib.utils.ActionUtils.send(ActionUtils.java:45)
[13:39:39 WARN]: at me.skymc.pvplib.listener.LisPlayerDamage.damage(LisPlayerDamage.java:47)
[13:39:39 WARN]: at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor259.execute(Unknown Source)
[13:39:39 WARN]: at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:70)
[13:39:39 WARN]: at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78)
[13:39:39 WARN]: at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
[13:39:39 WARN]: at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:515)
[13:39:39 WARN]: at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:500)
[13:39:39 WARN]: at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.callEvent(CraftEventFactory.java:94)
[13:39:39 WARN]: at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.callEntityDamageEvent(CraftEventFactory.java:581)
[13:39:39 WARN]: at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:484)
[13:39:39 WARN]: at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.handleLivingEntityDamageEvent(CraftEventFactory.java:613)
[13:39:39 WARN]: at net.minecraft.server.v1_12_R1.EntityLiving.damageEntity0(EntityLiving.java:1369)
[13:39:39 WARN]: at net.minecraft.server.v1_12_R1.EntityHuman.damageEntity0(EntityHuman.java:853)
[13:39:39 WARN]: at net.minecraft.server.v1_12_R1.EntityLiving.damageEntity(EntityLiving.java:887)
[13:39:39 WARN]: at net.minecraft.server.v1_12_R1.EntityHuman.damageEntity(EntityHuman.java:766)
[13:39:39 WARN]: at net.minecraft.server.v1_12_R1.EntityPlayer.damageEntity(EntityPlayer.java:612)
[13:39:39 WARN]: at net.minecraft.server.v1_12_R1.EntityHuman.attack(EntityHuman.java:1021)
[13:39:39 WARN]: at net.minecraft.server.v1_12_R1.EntityPlayer.attack(EntityPlayer.java:1361)
[13:39:39 WARN]: at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:1703)
[13:39:39 WARN]: at net.minecraft.server.v1_12_R1.PacketPlayInUseEntity.a(PacketPlayInUseEntity.java:49)
[13:39:39 WARN]: at net.minecraft.server.v1_12_R1.PacketPlayInUseEntity.a(PacketPlayInUseEntity.java:6)
[13:39:39 WARN]: at net.minecraft.server.v1_12_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:14)
[13:39:39 WARN]: at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
[13:39:39 WARN]: at java.util.concurrent.FutureTask.run(Unknown Source)
[13:39:39 WARN]: at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46)
[13:39:39 WARN]: at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:843)
[13:39:39 WARN]: at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:427)
[13:39:39 WARN]: at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:767)
[13:39:39 WARN]: at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:665)
[13:39:39 WARN]: at java.lang.Thread.run(Unknown Source)
java.lang.NoSuchMethodException: net.minecraft.server.v1_12_R1.PacketPlayOutChat.<init>(net.minecraft.server.v1_12_R1.IChatBaseComponent, byte)
[13:39:39 WARN]: at java.lang.Class.getConstructor0(Unknown Source)
[13:39:39 WARN]: at java.lang.Class.getConstructor(Unknown Source)
[13:39:39 WARN]: at me.skymc.pvplib.utils.ActionUtils.send(ActionUtils.java:45)
[13:39:39 WARN]: at me.skymc.pvplib.listener.LisPlayerDamage.damage(LisPlayerDamage.java:47)
[13:39:39 WARN]: at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor259.execute(Unknown Source)
[13:39:39 WARN]: at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:70)
[13:39:39 WARN]: at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78)
[13:39:39 WARN]: at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
[13:39:39 WARN]: at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:515)
[13:39:39 WARN]: at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:500)
[13:39:39 WARN]: at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.callEvent(CraftEventFactory.java:94)
[13:39:39 WARN]: at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.callEntityDamageEvent(CraftEventFactory.java:581)
[13:39:39 WARN]: at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.handleEntityDamageEvent(CraftEventFactory.java:484)
[13:39:39 WARN]: at org.bukkit.craftbukkit.v1_12_R1.event.CraftEventFactory.handleLivingEntityDamageEvent(CraftEventFactory.java:613)
[13:39:39 WARN]: at net.minecraft.server.v1_12_R1.EntityLiving.damageEntity0(EntityLiving.java:1369)
[13:39:39 WARN]: at net.minecraft.server.v1_12_R1.EntityHuman.damageEntity0(EntityHuman.java:853)
[13:39:39 WARN]: at net.minecraft.server.v1_12_R1.EntityLiving.damageEntity(EntityLiving.java:887)
[13:39:39 WARN]: at net.minecraft.server.v1_12_R1.EntityHuman.damageEntity(EntityHuman.java:766)
[13:39:39 WARN]: at net.minecraft.server.v1_12_R1.EntityPlayer.damageEntity(EntityPlayer.java:612)
[13:39:39 WARN]: at net.minecraft.server.v1_12_R1.EntityHuman.attack(EntityHuman.java:1021)
[13:39:39 WARN]: at net.minecraft.server.v1_12_R1.EntityPlayer.attack(EntityPlayer.java:1361)
[13:39:39 WARN]: at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:1703)
[13:39:39 WARN]: at net.minecraft.server.v1_12_R1.PacketPlayInUseEntity.a(PacketPlayInUseEntity.java:49)
[13:39:39 WARN]: at net.minecraft.server.v1_12_R1.PacketPlayInUseEntity.a(PacketPlayInUseEntity.java:6)
[13:39:39 WARN]: at net.minecraft.server.v1_12_R1.PlayerConnectionUtils.lambda$ensureMainThread$0(PlayerConnectionUtils.java:14)
[13:39:39 WARN]: at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
[13:39:39 WARN]: at java.util.concurrent.FutureTask.run(Unknown Source)
[13:39:39 WARN]: at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46)
[13:39:39 WARN]: at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:843)
[13:39:39 WARN]: at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:427)
[13:39:39 WARN]: at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:767)
[13:39:39 WARN]: at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:665)
[13:39:39 WARN]: at java.lang.Thread.run(Unknown Source)