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
https://www.irs.gov/uac/2017-tax-filing-season-begins-jan-23-for-nations-taxpayers-with-tax-returns-...
IRS warns of refund delays
https://www.irs.gov/individuals/refund-timing
