The IRS has a processing issue that is trigger Sch C, line 3, Gross Receipts Less Returns Allowances, reject incorrectly. Is this an update error on IRS /TurboTax side?

Description of error:
Data in the return is missing or invalid. Please double check your entries.
What needs to be done: You have two options: 1) You may wait to e-file your return at a later date when the issue is fixed (that date is currently unknown). 2) You may print and file your return by mail at this time.