Is a judge required to produce a record of error to prove error?

Is there any case law where a judge made an error or error in making required findings? (California, United States of America)

Is there any jurisdictional error or error in making a temporary judge acting as temporary judge? (California, United States of America)

Is there any legal error or error in requiring a party to act under a requirement four in a murder case? (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 cumulative effect of errors resulting in errors requiring reversal require reversal? (California, United States of America)

What is the burden on Grappo to prove error and prejudice arising from an error? (California, United States of America)

If the record is silent and the appellant has failed to sustain his burden of proving error, what is the test for striking a prior felony conviction? (California, United States of America)

Is a judge assigned to pass upon a disqualification notice required to counsel counsel of the assigned or agreed upon judge? (California, United States of America)

Does Section 170.6, subdivision (2) of the Peremptory Challenge Act require counsel to disclose the identity of the assigned judge to counsel before counsel for the moving party learns that the assigning judge has been identified? (California, United States of America)

Is a "local officer" required to produce records relating to assessment of a specific property? (California, United States of America)