Is a federal court's failure to instruct the jury on an element of a sentence enhancement provision a federal constitutional error?

Generally, "a trial court's failure to instruct the jury on an element of a sentence enhancement provision (other than one based on a prior conviction), is federal constitutional error if the provision 'increases the penalty for [the underlying] crime beyond the prescribed statutory maximum.' [Citation.] Such error is reversible under Chapman [citation], unless it can be shown 'beyond a reasonable doubt' that the error did not contribute to the jury's verdict." (People v. Sengpadychith (2001) 26 Cal.4th 316,

Page 15