It means you are trying to file a 2016 return too soon. Turbo Tax will start taking efiles sometime in early January. But they will just hold them all until the IRS opens Efiling on Jan 23.
The IRS will open efiling on Jan 23, 2017
IRS warns of refund delays
Availability chart for the 2016 PERSONAL programs:
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Availability chart for the 2016 State programs for the Personal returns:
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