Hot answers tagged errors
I get this error when there are no menus defined or no menus set for the location at Appearance->Menus. When that occurs wp_nav_menu uses a page walker fallback. The fallback (default) for wp_nav_menu is wp_walker_page which uses wp_page_menu which uses wp_list_pages which uses walk_page_tree which uses Walker_Page not Walker_Nav_Menu. And apparently ...
I figured it out. Turns out that using the field name was the culprit. It appears that name and other field names like attachment, attachment_id, etc will cause WordPress to produce a 404 error. There's a whole list of reserved terms in the Codex.
You were right Toscho, it is a plugin called 'better WP-Security' I did a search for '418' as suggested in the files I had backed up via ftp and found this: $bwpsmemlimit = (int) ini_get( 'memory_limit' ) //if they're locked out or banned die if ( ( $bwpsoptions['id_enabled'] == 1 ||$bwpsoptions['ll_enabled'] == 1 ) && $this->checklock( ...
It is likely a callback function for something. My guess is that somewhere something is trying to use a function named mytheme_admin_bar_render as a callback but that function has not been defined. Something like... add_filter('something','mytheme_admin_bar_render'); ... possibly but there are many, many possibilities. grep your wp-content folder for ...
Only top voted, non community-wiki answers of a minimum length are eligible