org.bukkit.command.CommandException: Cannot execute command 'mi' in plugin MMOItems v6.5.1-SNAPSHOT - plugin is disabled.
插件被禁用，所以无法执行指令。检查该插件的版本以及配置文件，看看为啥被禁用了
是因为yum插件禁用了此插件的网络？
org.bukkit.command.CommandException: Cannot execute command 'mi' in plugin MMOItems v6.5.1-SNAPSHOT - plugin is disabled.