To Ensure that @properties to operate appropriately the class has to be a subclass of object. when The category isn't a subclass of object then The 1st time you try entry the setter it basically can make a completely new attribute Using the shorter identify in place of accessing throughout https://gurgaonelanthemarksector106.blogspot.com/2025/07/m3m-altitude-gurgaon-stands-tall-among.html