Does a defendant have to appeal against a sentence imposed on him by the Court of Appeal for failing to raise an objection to his prior conviction?

Moreover, "[b]ecause [appellant] had notice of the sentence he faced and did not raise an objection in the trial court, he has forfeited [his] claim on appeal. [Citation.]" (People v. Houston, supra, 54 Cal.4th at p. 1228.) "A timely objection to the adequacy of the [prior conviction allegation] would have provided an opportunity to craft an appropriate remedy." (Ibid.) "[T]he court could have heard arguments on whether to permit the prosecutor to amend the [allegation]. (See 1009 [trial court may permit

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