Fannie Mae will have to pay at least $68,000 in assessments, late fees and repair costs it owes on a North Side condominium, a state appeals panel ruled Wednesday.The 1st District Appellate Court ruled against Fannie Mae — formally known as the Federal National Mortgage Association — in part because its attorneys did not do their due diligence in preparing for the lawsuit filed by Andersonville South Condominium Association.Fannie Mae had filed an emergency motion to continue the case because its attorneys …