sendWarningEmail()
#1 /home/hiklxpbt/public_html/wp-includes/class-wp-hook.php(339): RTL\RSM\App\Hooks->admin_footer()
#2 /home/hiklxpbt/public_html/wp-includes/class-wp-hook.php(365): WP_Hook->apply_filters(NULL, Array)
#3 /home/hiklxpbt/public_html/wp-includes/plugin.php(522): WP_Hook->do_action(Array)
#4 /home/hiklxpbt/public_html/wp-admin/admin-footer.php(78): do_action(‘admin_footer’, ”)
#5 /home/hiklxpbt/public_html/wp-admin/update.php(186): require_once(‘/home/hiklxpbt/…’)
#6 {main}
thrown