Try Settings > Tax Return > Tax Return Options > down to 'Computer Date as PIN Signature Date.  Change it to yes.

That may work, but it will also print that date on the F 8879 AND use that date for allowing the return to be efiled.   I do NOT do that, as physically entering the client signature date from a signed F 8879 is the LAST step before efiling a return (after verifying all numbers.  That procedure has saved my tush a few times 😀