The request date passed to order promising is outside the range of the planning horizon. (DOO-268526

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We have an order with requested (ship) date set in the future. The same order was submitted and the line got into scheduling error with the message. "The request date passed to order promising is outside the range of the planning horizon. (DOO-2685269)" 

Where can we check to determine the "range of the planning horizon? What drives this which lead to the scheduling failing on order line with a request date in the future. The item has available on hand.