Your account is not approved for the affiliation program
Product error when the member is not approved for affiliation (generated.yourAccountIsNotApprovedFor).
Why this happens
Same family as Affiliation not enabled / Affiliation is not available for your account — per-user approval off while the site program may be on.
Diagnose and fix
1. Admin → Users — enable Approved affiliation.
2. Optionally Approve affiliate on register.
3. Member: reload Affiliation dashboard after approval.
4. See Affiliate / webmaster / reseller flags on a user.