What is the test for establishing a commission of error as a ground for reversal on appeal?

What is the burden of proving reversible error in a motion to appeal against a finding of error at the Court of Appeal? (California, United States of America)

If defendant fails to establish all the errors of the trial court as a cumulative result of the cumulative error, can he continue to argue that the cumulative effect of the error was harmless beyond a reasonable doubt and mandates reversal? (California, United States of America)

When the error is that the error was not intentional, does the error result in the error not being corrected? (California, United States of America)

Does a trial counsel's failure to object to an evidentiary error on the same ground asserted on appeal result in the forfeiture of the issue on appeal? (California, United States of America)

In re-examining the findings of the Court of Appeal's error review, what are the consequences of the error where the error is cumulative? (California, United States of America)

Are there any grounds of appeal or grounds for appeal in a personal injury case? (California, United States of America)

Is Page 5 of the Superior Court of Appeal bound by error and error in denying a certificate of probable cause to appeal? (California, United States of America)

Is there any grounds of appeal for appeal against a motion of appeal brought by defendant in his personal injury case? (California, United States of America)

Does a cumulative effect of errors resulting in errors requiring reversal require reversal? (California, United States of America)

Does the Attorney General have grounds to appeal against the Court of Appeal's finding that a defendant has a reasonable doubt in the mind of one juror? (California, United States of America)