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PHP Warning on TaxonomyRegister.php

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  • September 2, 2025 at 3:51 PM #48887
    netalysnetalys
    Participant

    Hi ! My logs are full of this warning :

    PHP Warning: Undefined array key "slug" in /vpa-www/wp-content/plugins/meta-box-aio/vendor/meta-box/mb-custom-post-type/src/TaxonomyRegister.php on line 125PHP message: PHP Warning: Undefined array key "slug" in /vpa-www/wp-content/plugins/meta-box-aio/vendor/meta-box/mb-custom-post-type/src/TaxonomyRegister.php on line 125PHP message: PHP Warning: Undefined array key "slug" in /vpa-www/wp-content/plugins/meta-box-aio/vendor/meta-box/mb-custom-post-type/src/TaxonomyRegister.php on line 125PHP message: PHP Warning: Undefined array key "slug" in /vpa-www/wp-content/plugins/meta-box-aio/vendor/meta-box/mb-custom-post-type/src/TaxonomyRegister.php on line 125PHP message: PHP Warning: Undefined array key "slug" in /vpa-www/wp-content/plugins/meta-box-aio/vendor/meta-box/mb-custom-post-type/src/TaxonomyRegister.php on line 125'

    Thanks.

    September 3, 2025 at 10:09 PM #48896
    PeterPeter
    Moderator

    Hello,

    Thanks for reaching out.

    Can you please double-check that the field Slug of all taxonomy entries is not empty? You can go to Meta Box > Taxonomies > Edit a taxonomy and check the slug field.

    September 3, 2025 at 11:05 PM #48900
    netalysnetalys
    Participant

    Hello, yes I've checked everything, no taxonomy has an empty slug.

    September 4, 2025 at 10:09 PM #48910
    PeterPeter
    Moderator

    Hello,

    I suggest you deactivate all plugins except Meta Box AIO, switch to a WordPress theme, edit the taxonomies > re-save settings to see if it helps.

    If not, please share the site admin account via this contact form https://metabox.io/contact/
    I will take a look.

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