我正在尝试在另一个公会中添加角色。这是代码：
let member = message.mentions.members.first();
var list = bot.guilds.get("721159355793145996")
var memberRole= list.roles.find(r => r.name === "Inactive");
member.addRole(memberRole)
但是我一直收到此错误：
(node:22458) UnhandledPromiseRejectionWarning: DiscordAPIError: Unknown Role
at item.request.gen.end (/rbd/pnpm-volume/67347f37-2699-4a1a-ad1b-cb7efc2ae541/node_modules/.registry.npmjs.org/discord.js/11.4.2/node_modules/discord.js/src/client/rest/RequestHandlers/Sequential.js:79:15)
at then (/rbd/pnpm-volume/67347f37-2699-4a1a-ad1b-cb7efc2ae541/node_modules/.registry.npmjs.org/snekfetch/3.6.4/node_modules/snekfetch/src/index.js:215:21)
at <anonymous>
at process._tickCallback (internal/process/next_tick.js:189:7)