Does inconsistency between a statement of decision and a permanent guardianship order invalidate the order?

Mother contends inconsistency between the trial court's statement of decision and the permanent guardianship order entered based on her perception of that statement of decision invalidates the order. The trial court has discretion to change or modify its own interim decisions. (Kerns v. CSE Ins. Group (2003) 106 Cal.App.4th 368, 388.) Differences between the June 16, 2015 statement of decision and the November 10 orderif any existimpact neither the order's legitimacy nor its efficacy.