Вылезла ошибка на WordPress

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Strict Standards: Declaration of magomra_walker_nav_menu::start_lvl() should be compatible with Walker_Nav_Menu::start_lvl(&$output, $depth = 0, $args = NULL) in /home/u/u24444so/kub-zavod.ru/public_html/wp-content/themes/m1_template/functions.php on line 0 Strict Standards: Declaration of magomra_walker_nav_menu::start_el() should be compatible with Walker_Nav_Menu::start_el(&$output, $item, $depth = 0, $args = NULL, $id = 0) in /home/u/u24444so/kub-zavod.ru/public_html/wp-content/themes/m1_template/functions.php on line 0