If you are encountering hentry errors in the Google Search Console and wish to learn how to fix those, here’s an article you could find useful.
Structured data helps search engines to better understand your content. Having issues related to hentry does not represent a huge impact on your SEO rankings, so you can also disable hentry by adding this snippet to your theme's functions.php file:
add_filter( 'post_class', 'remove_hentry' );
function remove_hentry( $class ) {
$class = array_diff( $class, array( 'hentry' ) );
return $class;
}