Fatal error: Declaration of Nfr_Menu_Walker::display_element($output, $element, &$children_elements, $max_depth, $args, $depth = 0) must be compatible with Walker::display_element($element, &$children_elements, $max_depth, $depth, $args, &$output) in /home/thehammo/public_html/wp-content/themes/peak/functions.php on line 162