Warning: Declaration of BootstrapNavMenuWalker::start_el(&$output, $depth = 0, $args = Array) should be compatible with Walker_Nav_Menu::start_el(&$output, $item, $depth = 0, $args = NULL, $id = 0) in /home2/filmizle/public_html/wp-content/themes/mumttema/functions/menu.php on line 0

bu sorun nasıl çözülür?