Support » Fixing WordPress » Custom Post Type Weirdness After 3.1 Upgrade

  • Since I upgraded to WP 3.1 I’ve had some weirdness happening on my main website that needs to be fixed as soon as possible.

    Some of my custom post types stopped working. If you try to go to the page you get a 404 error. If you try to go edit a custom post type – you can’t edit it – the only option is to view.

    It gets stranger when I add a new one and it works fine. I very much need the old posts to work – I have thousands of posts in custom post types and I can’t manually re-add them all.

    Here’s a list of what I’ve tried already:

    Flushed permalinks repeatedly
    Deactivated all plugins
    Switched to default theme
    Checked all settings using Custom Post UI

    I’ve also done a combination of these things over and over and nothing seems to get the posts I’ve already entered working again.

    Any ideas?

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  • Same here! What’s going on? Any clue?

    I sort it out registering another post type, and converting them..

    I had a site with custom post types go pear-shaped following an upgrade to version 3.1 today. The permalinks were not working in the front end and I got an error stating “invalid Post Type” in the back end. I could not edit any of the custom posts either, only view them. It was a mess!

    I fixed the problem by changing the post_type value to all lowercase and adding flush_rewrite_rules function to the register_post_type function. See my invalid post type article for more details.

Viewing 3 replies - 1 through 3 (of 3 total)
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