[20-Jun-2026 20:12:15 UTC] DB error in insert.php: Duplicate entry 'Doe' for key 'uniq_username'
[20-Jun-2026 20:12:22 UTC] DB error in insert.php: Duplicate entry 'Doe' for key 'uniq_username'
[20-Jun-2026 20:42:44 UTC] DEBUG refUsername = ''
[20-Jun-2026 21:08:36 UTC] recordReferral: refUsername='Doe' newUserId=39
[20-Jun-2026 21:08:36 UTC] recordReferral: success, referrerId=12 -> newUserId=39
