Not Eligible for electronic filing 1040A Line 15, 21, 28, 36, 39, 46 zero value. Only have SSA-1099

[VolvoGirl]

If you only have a SSA-1099 it is not taxable so you do not need to file a return.  And you can't efile with zero taxable income.  If you still want to file you will have to print and mail it.