某次重启服务器后
在输入指令/fadmin give zb后提示

[11:12:39 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'fadmin' in plugin Forge v1.0.0
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[Spigot-1.12.2.jar:git-Spigot-7754231-94b0980]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) ~[Spigot-1.12.2.jar:git-Spigot-7754231-94b0980]
        at org.bukkit.craftbukkit.v1_12_R1.CraftServer.dispatchCommand(CraftServer.java:651) ~[Spigot-1.12.2.jar:git-Spigot-7754231-94b0980]
        at net.minecraft.server.v1_12_R1.PlayerConnection.handleCommand(PlayerConnection.java:1392) [Spigot-1.12.2.jar:git-Spigot-7754231-94b0980]
        at net.minecraft.server.v1_12_R1.PlayerConnection.a(PlayerConnection.java:1227) [Spigot-1.12.2.jar:git-Spigot-7754231-94b0980]
        at net.minecraft.server.v1_12_R1.PacketPlayInChat.a(PacketPlayInChat.java:45) [Spigot-1.12.2.jar:git-Spigot-7754231-94b0980]
        at net.minecraft.server.v1_12_R1.PacketPlayInChat.a(PacketPlayInChat.java:1) [Spigot-1.12.2.jar:git-Spigot-7754231-94b0980]
        at net.minecraft.server.v1_12_R1.PlayerConnectionUtils$1.run(SourceFile:13) [Spigot-1.12.2.jar:git-Spigot-7754231-94b0980]
        at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0_261]
        at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_261]
        at net.minecraft.server.v1_12_R1.SystemUtils.a(SourceFile:46) [Spigot-1.12.2.jar:git-Spigot-7754231-94b0980]
        at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:748) [Spigot-1.12.2.jar:git-Spigot-7754231-94b0980]
        at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:406) [Spigot-1.12.2.jar:git-Spigot-7754231-94b0980]
        at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:679) [Spigot-1.12.2.jar:git-Spigot-7754231-94b0980]
        at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:577) [Spigot-1.12.2.jar:git-Spigot-7754231-94b0980]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_261]
Caused by: java.lang.RuntimeException: An internal error occured.
        at com.comphenix.protocol.reflect.accessors.DefaultMethodAccessor.invoke(DefaultMethodAccessor.java:20) ~[?:?]
        at com.comphenix.protocol.utility.StreamSerializer.deserializeItemStack(StreamSerializer.java:348) ~[?:?]
        at com.**.Forge.Utils.ItemString.getItem(ItemString.java:29) ~[?:?]
        at com.**.Forge.Data.DrawData.getFormula(DrawData.java:48) ~[?:?]
        at com.**.Forge.Data.DrawData.equals(DrawData.java:23) ~[?:?]
        at com.**.Forge.Data.DrawData.getDrawName(DrawData.java:93) ~[?:?]
        at com.**.Forge.Data.DrawData.getDrawItem(DrawData.java:71) ~[?:?]
        at com.**.Forge.Commands.OnAdminCommands.onCommand(OnAdminCommands.java:193) ~[?:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[Spigot-1.12.2.jar:git-Spigot-7754231-94b0980]
        ... 15 more
Caused by: java.lang.IndexOutOfBoundsException
        at io.netty.buffer.EmptyByteBuf.readShort(EmptyByteBuf.java:540) ~[Spigot-1.12.2.jar:git-Spigot-7754231-94b0980]
        at net.minecraft.server.v1_12_R1.PacketDataSerializer.readShort(PacketDataSerializer.java:683) ~[Spigot-1.12.2.jar:git-Spigot-7754231-94b0980]
        at net.minecraft.server.v1_12_R1.PacketDataSerializer.k(PacketDataSerializer.java:262) ~[Spigot-1.12.2.jar:git-Spigot-7754231-94b0980]
        at sun.reflect.GeneratedMethodAccessor188.invoke(Unknown Source) ~[?:?]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_261]
        at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_261]
        at com.comphenix.protocol.reflect.accessors.DefaultMethodAccessor.invoke(DefaultMethodAccessor.java:16) ~[?:?]
        at com.comphenix.protocol.utility.StreamSerializer.deserializeItemStack(StreamSerializer.java:348) ~[?:?]
        at com.**.Forge.Utils.ItemString.getItem(ItemString.java:29) ~[?:?]
        at com.**.Forge.Data.DrawData.getFormula(DrawData.java:48) ~[?:?]
        at com.**.Forge.Data.DrawData.equals(DrawData.java:23) ~[?:?]
        at com.**.Forge.Data.DrawData.getDrawName(DrawData.java:93) ~[?:?]
        at com.**.Forge.Data.DrawData.getDrawItem(DrawData.java:71) ~[?:?]
        at com.**.Forge.Commands.OnAdminCommands.onCommand(OnAdminCommands.java:193) ~[?:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[Spigot-1.12.2.jar:git-Spigot-7754231-94b0980]
        ... 15 more



真的求助！不想换插件，已经用了很久了

请更新或降级你的 ProtocolLib 版本
或者删除插件配置文本使其重新生成
在第二个操作生效的情况下大概率是你的文本配置不正确造成的。

我去试试！

修好了，发现是个配置写错了，导致出现错误