fix pins

src/util/entities/Message.ts

@@ -243,7 +243,7 @@ export class Message extends BaseClass {
             member_id: undefined,
             webhook_id: this.webhook_id ?? undefined,
             application_id: undefined,
-            mentions: this.mentions.map((user) => {
+            mentions: this.mentions?.map((user) => {
                 if (user && !user.toPublicUser) console.trace("toPublic user missing!!!");
                 return user?.toPublicUser?.() ?? user ?? undefined;
             }),