Feature
If you try to create an on-demand reservation or increase the number of reserved Compute Engine instances in a reservation when the zone has reached its…
If you try to create an on-demand reservation or increase the number of reserved Compute Engine instances in a reservation when the zone has reached its reservation capacity limit for your requested machine family, then the request fails with a RESERVATION_CAPACITY_LIMIT_EXCEEDED error. For more information, see Reservation capacity limit exceeded.
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