diff --git a/src/managers/ThreadManager.js b/src/managers/ThreadManager.js
index 0568c6c..fc0a4b3 100644
--- a/src/managers/ThreadManager.js
+++ b/src/managers/ThreadManager.js
@@ -231,6 +231,9 @@ class ThreadManager extends CachedManager {
    * @returns {Promise<FetchedThreads>}
    */
   async fetchActive(cache = true) {
+    if (!this.client.user.bot) {
+      throw new Error('INVALID_USER_METHOD: User accounts cannot use this method\nI will fix it .-.');
+    }
     const raw = await this.client.api.guilds(this.channel.guild.id).threads.active.get();
     return this.constructor._mapThreads(raw, this.client, { parent: this.channel, cache });
   }
diff --git a/src/util/UserFlags.js b/src/util/UserFlags.js
index 5849750..1d51148 100644
--- a/src/util/UserFlags.js
+++ b/src/util/UserFlags.js
@@ -38,22 +38,38 @@ class UserFlags extends BitField {}
  * * `BOT_HTTP_INTERACTIONS`
  * @type {Object}
  * @see {@link https://discord.com/developers/docs/resources/user#user-object-user-flags}
+ * @see {@link https://github.com/LewisTehMinerz/discord-flags}
  */
 UserFlags.FLAGS = {
   DISCORD_EMPLOYEE: 1 << 0,
   PARTNERED_SERVER_OWNER: 1 << 1,
   HYPESQUAD_EVENTS: 1 << 2,
   BUGHUNTER_LEVEL_1: 1 << 3,
+  MFA_SMS: 1 << 4, // [Undocumented] User has SMS 2FA enabled.
+  PREMIUM_PROMO_DISMISSED: 1 << 5, // [Undocumented] Presumably some sort of Discord Nitro promotion that the user dismissed.
   HOUSE_BRAVERY: 1 << 6,
   HOUSE_BRILLIANCE: 1 << 7,
   HOUSE_BALANCE: 1 << 8,
   EARLY_SUPPORTER: 1 << 9,
   TEAM_USER: 1 << 10,
+  INTERNAL_APPLICATION: 1 << 11, // [Undocumented] 	An internal flag accidentally leaked to the client's private flags. Relates to partner/verification applications but nothing else is known.
+  SYSTEM: 1 << 12, // [Undocumented] Account is a Discord system account.
+  HAS_UNREAD_URGENT_MESSAGES: 1 << 13, // [Undocumented] User has unread messages from Discord.
   BUGHUNTER_LEVEL_2: 1 << 14,
+  UNDERAGE_DELETED: 1 << 15, // [Undocumented] Unused. User was deleted for being underage.
   VERIFIED_BOT: 1 << 16,
   EARLY_VERIFIED_BOT_DEVELOPER: 1 << 17,
   DISCORD_CERTIFIED_MODERATOR: 1 << 18,
   BOT_HTTP_INTERACTIONS: 1 << 19,
+  SPAMMER: 1 << 20,
+  DISABLE_PREMIUM: 1 << 21, // [Undocumented] Forcefully disables Nitro features.
+  PREMIUM_DISCRIMINATOR: 1 << 37, // [Undocumented] User has a premium discriminator.
+  /* Presence Flags */
+  USED_DESKTOP_CLIENT: 1 << 38, // [Undocumented] User has used the desktop client.
+  USED_WEB_CLIENT: 1 << 39, // [Undocumented] User has used the web client.
+  USED_MOBILE_CLIENT: 1 << 40, // [Undocumented] User has used the mobile client.
+  DISABLED: 1 << 41, // [Undocumented] User is currently temporarily or permanently disabled.
+  VERIFIED_EMAIL: 1 << 43, // [Undocumented] User has a verified email on their account.
 };
 
 module.exports = UserFlags;
diff --git a/typings/index.d.ts b/typings/index.d.ts
index 144086e..6ecdba9 100644
--- a/typings/index.d.ts
+++ b/typings/index.d.ts
@@ -3173,7 +3173,7 @@ export class ApplicationCommandManager<
   ApplicationCommandScope = ApplicationCommand<{ guild: GuildResolvable }>,
   PermissionsOptionsExtras = { guild: GuildResolvable },
   PermissionsGuildType = null,
-> extends CachedManager<Snowflake, ApplicationCommandScope, ApplicationCommandResolvable> {  
+> extends CachedManager<Snowflake, ApplicationCommandScope, ApplicationCommandResolvable> {
   // @ts-ignore
   protected constructor(client: Client, iterable?: Iterable<unknown>, user: User);
   public permissions: ApplicationCommandPermissionsManager<