(February 20, 2020, 2:02 PM EST) -- ATLANTA — A Georgia appellate panel on Feb. 18 affirmed a trial court’s dismissal of a grandmother’s petition for grandparent visitation, finding that the lower court did not err in ruling that it lacked subject matter jurisdiction because the petition was filed in the same year that another custody action was filed about the children (Diane Gnam v. Stephanie Livingston, No. A19A2055, Ga. App, 4th Div., 2020 Ga. App. LEXIS 68)....