Lots of federal and/or state forms are not ready yet. You have to e-file your federal return first, and then your state. The state will not accept a return until the IRS has accepted your federal return. The IRS begins to accept returns on January 23. If you are waiting for federal forms you will also have to wait to file your state.
Click Review to see what forms you are waiting for.
Please see these links for form availability dates
Federal form availability
Forms availability
And if you did file the state -- it usually takes a couple of extra days to know if the state accepted your e-file