Where a party fails to file a notice of appeal within 30 days following the disposal of the last pending postjudgment motion, they must within the following 30 days file a Rule 303(d) motion providing a reasonable excuse for failure to timely file as well as notice of appeal or the reviewing court will lack jurisdiction to hear the appeal.The 1st District Appellate Court dismissed an appeal from a decision by Cook County Circuit Judge Kathy Flanagan.Sellars Vines II, age 14, went to the Flossmoor Library in far south …