fix(auth): make things work

components/MyPages/Blocks/Overview/Friend/index.tsx

@@ -18,7 +18,7 @@ export default function Friend({ user }: FriendProps) {
       <h3 className={styles.name}>{user.name}</h3>
       <div className={styles.membershipContainer}>
         <p className={styles.membershipId}>
-          {user.membership.membershipNumber}
+          {user.membership ? user.membership.membershipNumber : "N/A"}
         </p>
       </div>
     </section>