Investors & landlords

We live in SC and have been filing the GA return since we purchased the house in 2015,  but this year turbotax is separately my husband and my income.  It is telling me that I have to file separately under GA but I can still file jointly on my Federal return.  Our GA property does not make any income and therefore we do not owe any GA taxes, but we need to file a non resident return.  

 

Last year we filed married separately because the tax difference if we filed jointly.  I ran the numbers.    Is this why they are asking for us to separate the return?