Affiliation not enabled
Title notEnabledTitle with hint that an administrator must enable Approved affiliation on the user (Admin → Users → Edit User) before uploader referral links and commissions work.
Why this happens
Site program may be on, but this account is not approved for affiliation. Distinct from site-wide Affiliation not available.
Diagnose and fix
1. Admin → Users → Edit User — enable Approved affiliation (see Affiliate / webmaster / reseller flags on a user).
2. Optionally use Approve affiliate on register for future signups.
3. Member: reload affiliation after approval; promo links should appear.
4. See Affiliate promo links (?aff=).