Fatal error: Declaration of mobi_custom_walker::start_el(&$output, $item, $depth, $args) must be compatible with Walker_Nav_Menu::start_el(&$output, $data_object, $depth = 0, $args = null, $current_object_id = 0) in /home2/techwpf6/public_html/wp-content/themes/whimag/lib/functions/theme-functions.php on line 405