Nor was it made on motion for new trial nor on the petition for rehearing and to vacate the decree. Such issue cannot be made for the first time on appeal. Graham v. City of Chicago, 346 Ill. 638, 645, 178 N.E. 911; Murphy v. Kumler, 344 Ill. App. 287, 291, 100 N.E.2d 660; Murphy v. City of Chicago, 318 Ill. App. 166, 169, 47 N.E.2d 494. The theory upon which a case is tried in the lower court cannot be changed on review. In Re Estate of Leichtenberg, 7 Ill.2d 545, 131 N.E.2d 487.