I changed my wordpress plugin from the old editor to the new block editor. Everything works fine but my categories meta box is gone.

For my plugin I created a custom taxonomy with this code

function create_scooter_tax() {
            'label' => __( 'Categorieën' ),
            'rewrite' => array( 'slug' => 'scooter' ),
            'hierarchical' => true,
    add_action( 'init', 'create_scooter_tax' );

Is there somebody who knows this issue?

1 Answer 1


I solved the issue

I forgot the line 'show_in_rest'=> true, in the register taxonomy code.

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