It s asking for my marketplace slcsp and my 1095-a is$ 0.00. turbo tax will not accept this number.

 

Get your taxes done using TurboTax

The second lowest cost silver plan (SLCSP) cannot be $0.  Go to this Healthcare.gov website for information and to the use the SLCSP tool - https://www.healthcare.gov/tax-form-1095/#slcsp