Have noticed a strange bug since upgrading to WP 3.04 — the WP nav menu system has stopped working. I’ve narrowed it down to a conflict with Custom Post Type UI.
When I navigate to Dashboard > Appearance > Menus, none of my menus show up on the page. Additionally, the following error appears in the meta box for the taxonomy within the Menu section:
Catchable fatal error: Object of class WP_Error could not be converted to string in /home/mariat/plainparade.org/clawp/wp-includes/formatting.php on line 433
Any suggestions for fixing this?
Have you tried:
– deactivating all plugins to see if this resolves the problem? If this works, re-activate the plugins one by one until you find the problematic plugin(s).
– switching to the Twenty Ten theme to rule out any theme-specific problems?
– resetting the plugins folder by FTP or phpMyAdmin? Sometimes, an apparently inactive plugin can still cause problems.
Yes, I deactivated ALL the plugins. That’s why I know it’s specifically the Custom Post Type UI plugin. I’ll give resetting the folder a shot. Thanks!
I think it’s far more likely that the issue is in your theme somewhere.
Nope, this is definitely not a theme problem, as I did try using the default theme to test your suggestion.
Anyone have any other non-theme suggestions?
Thanks again for the suggestion, but I’m hoping other people might chime in at this point.
This is the only report of this issue I’ve seen. My guess is some option data is corrupt from the plugin. Version 0.7 will have a way to reset the plugin back to defaults, but for now you could just delete any option values from the plugin in wp_options.
YES- I have the same issue! If Custom Post Type UI is activated, then when I go to Appearance/Menus half of the boxes are missing and I get the same error message. I cannot add a menu, nor can I find the ones that already exist.
On the front end, my menu is still visible and in tact, but I can’t access it from the back end.
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