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Partner-restricted. Only returned by the Sponsorship API, which requires a sponsorship program.

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What it means

You called POST /v1/partners/sponsorships for a crew member who already holds a self-paid Premium subscription. There is nothing to sponsor — DSS won’t take over billing for a subscription the member is already paying for themselves, and won’t double-charge you for a seat that delivers no additional benefit. This is distinct from an idempotent replay: a member who already holds one of your open sponsored seats returns 200 with that existing seat (see Provision / idempotency). email_already_premium is specifically a member paying for Premium on their own card.

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What to do

  • Nothing to fix in the request — this member doesn’t need a sponsored seat. Skip them and move on.
  • If you believe the member should be on a sponsored seat instead of self-pay (for example they want to stop paying and let you cover it), that’s a conversion the member initiates from their own account, or a change DSS can help arrange — contact us, quoting the instance request ID.