What is the burden of proving reversible error in an appeal?

In addressing an appeal, this court begins with the presumption that the judgment or order of the trial court is correct. (In re Marriage of Arceneaux (1990) 51 Cal.3d 1130, 1133.) Thus, "a party challenging a judgment [or order] has the

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burden of showing reversible error by an adequate record." (Ballard v. Uribe (1986) 41 Cal.3d 564, 574.)