Why can I not drop a guest on that seat?

Three reasons: someone else took the seat in the same moment, in which case PlanSeats says so and leaves the guest where they were; you are viewing a shared link, which is read-only; or your planner has limited what you can change on this chart.

A seat that already has a guest is not a refusal: dropping onto it swaps or displaces. See How do I swap two guests?

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Updated 29 September 2026