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Invalid Taxonomy

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  • August 17, 2026 at 7:41 AM #50156
    WillWill
    Participant

    Hi,

    I had created a new taxonomy for Woocommce, When I visit the backend taxonomy tab, it show "Invalid Taxonomy". Why?
    https://url.link/wp-admin/edit-tags.php?taxonomy=series&post_type=product.

    Does it work with the latest version of Woocommerce?

    August 17, 2026 at 9:09 PM #50159
    PeterPeter
    Moderator

    Hello Will,

    Thanks for reaching out.

    Yes, it works properly on my test site, please check this screenshot https://ibb.co/0RQFLQsg
    Maybe the series slug is used by another taxonomy on your site. Please try to change the slug to another thing, like series123 and recheck the issue.

    August 18, 2026 at 8:57 AM #50161
    WillWill
    Participant

    Tested, all end up the same issue.

    August 18, 2026 at 6:22 PM #50164
    WillWill
    Participant

    Found the issue. If the "Associated post types" set as "product" then it lead to "invalid taxonomy" when click the "Series" admin menu item. The link is https://url.link/wp-admin/edit-tags.php?taxonomy=series&post_type=product

    But if I view https://url.link/wp-admin/edit-tags.php?taxonomy=series then I can view the page without issue.

    August 18, 2026 at 9:10 PM #50165
    PeterPeter
    Moderator

    Hello Will,

    Please share your site admin account by submitting this contact form https://metabox.io/contact/
    I will take a look.

    August 18, 2026 at 9:29 PM #50166
    WillWill
    Participant

    Hi Peter,

    Done, do check on it. Thanks.

    August 21, 2026 at 8:09 PM #50171
    PeterPeter
    Moderator

    Hello Will,

    I found the issue related to the plugin MasterStudy LMS. Deactivating this plugin will resolve the issue. Can you please confirm this on your end?

    Thank you.

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