一输入插件指令 就出现一排红字：An internal error occurred while attempting to perform this command  我好几个插件都这样比如 ils 还有独立空间 还有个/money这个指令都会 求大佬

同时 后台应该有详细的提示 希望能贴出日志文件

[02:54:04 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'ils' in plugin ItemLoreStats v7.71
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[PluginCommand.class:1.7.10-1614.174]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:181) ~[SimpleCommandMap.class:1.7.10-1614.174]
        at org.bukkit.craftbukkit.v1_7_R4.CraftServer.dispatchCommand(CraftServer.java:717) ~[CraftServer.class:1.7.10-1614.174]
        at net.minecraft.network.NetHandlerPl
ayServer.func_147361_d(NetHandlerPlayServer.java:1317) [nh.class:?]
        at net.minecraft.network.NetHandlerPlayServer.func_147354_a(NetHandlerPlayServer.java:1099) [nh.class:?]
        at net.minecraft.network.play.client.C01PacketChatMessage.func_148833_a(C01PacketChat
Message.java:38) [ir.class:?]
        at net.minecraft.network.play.client.C01PacketChatMessage.func_148833_a(C01PacketChatMessage.java:53) [ir.class:?]
        at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:245) [ej.class:?]
        at net.minecraft.netw
ork.NetworkSystem.func_151269_c(NetworkSystem.java:173) [nc.class:?]
        at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:991) [MinecraftServer.class:?]
        at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:
431) [lt.class:?]
        at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:809) [MinecraftServer.class:?]
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:669) [MinecraftServer.class:?]
        at java.lang.Thread.run(Unknown Source
) [?:1.8.0_161]
Caused by: java.lang.NoSuchMethodError: org.bukkit.inventory.PlayerInventory.getItemInMainHand()Lorg/bukkit/inventory/ItemStack;
        at com.github.supavitax.itemlorestats.Commands.Name_Com.onNameCommand(Name_Com.java:24) ~[?:?]
        at com.github.supa
vitax.itemlorestats.ItemLoreStats.onCommand(ItemLoreStats.java:669) ~[?:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[PluginCommand.class:1.7.10-1614.174]
        ... 13 more

应该是插件所对应的bukkit版本与你所使用的不符导致的

不是这个问题

就是版本不对，不支持1.7.x，getItemInMainHand明显是个1.9.X之后的方法了，因为1.9有了双持