Error message

A developer told me this was in my error.log and is from the HighendWP theme, are you able to fix this in the next release please and maybe share a zip I can update on my site in the meantime?

made by require(‘wp-blog-header.php’), require_once(‘wp-includes/template-loader.php’), include(‘/themes/HighendWP/single.php’), get_footer, locate_template, load_template, require_once(‘/themes/HighendWP/footer.php’), wp_footer, do_action(‘wp_footer’), WP_Hook->do_action, WP_Hook->apply_filters, wp_admin_bar_render, do_action_ref_array(‘admin_bar_menu’), WP_Hook->do_action, WP_Hook->apply_filters, {closure}, LS_Sliders::find, QM_DB->queryPHP message: WordPress database error Unknown column ‘flag_group’ in ‘where clause’ for query
SELECT SQL_CALC_FOUND_ROWS *
FROM wp_yryk_layerslider
WHERE flag_group = ‘0’ AND flag_deleted = ‘0’
ORDER BY date_m DESC
LIMIT 0, 10