Deductions & credits

There was no sepreation or divorce we were never married just bf and gf with a child i never tried to add a dependent it simply asked have you had a child i said yes it tried to then add the child as a dependent and i answered all questions truthfully then when it came to the question about is the other parent going to claim this child i said yes it said that i didn't qualify to add as a dependent and that should have been it but it said in the fine print above the continue and back buttons that i could receive savings i hit continue to keep going with filling and it then asked for our childs ssn which i wasn't able to skip past so after entering it said i will receive a non dependent eic and now my gf is trying to file hers and claim our child as planned but it is rejected every time