Customized taxonomy rewrite in permalinks for posts provides 404 on pages

So I’ve received a customized taxonomy (referred to as “model”) for simply posts wich works positive.. My Drawback is that i wish to use this tax in my permalinks eg URL.com/12-3/cat/postname.. which works additionally positive for the posts when i take advantage of /%model%/%class%/%postname%/for the permalinks.

BUT now each pages throws me an 404 error.. (eg URL.com/check -> 404). If i take away /%model% it really works positive.. however only for the pages.. however i want the model tax within the URL for the posts.. The Code beneath is used for the tax slugs within the permalinks:

add_filter('post_link', 'version_permalink', 10, 3);
operate version_permalink($permalink, $post_id, $leavename) {
    if (strpos($permalink, '%model%') === FALSE) {
        return $permalink;
    } else {

        // Get submit
        $submit = get_post($post_id);
        if (!$submit || 'web page' === $post->post_type) return $permalink;

        // Get taxonomy phrases
        $phrases = wp_get_object_terms($post->ID, 'model');
        if (!is_wp_error($phrases) && !empty($phrases) && is_object($phrases[0])) {
            $taxonomy_slug = $phrases[0]->slug;
        } else { $taxonomy_slug = 'no-version'; }

        return str_replace('%model%', $taxonomy_slug, $permalink);
    }
}

I assume i made some silly error i am not conscious of.. When i seemed on the var_dump($wp); it exhibits me eg (for URL.com/impressum):

["query_vars"]=>
  array(1) {
    ["version"]=>
    string(9) "impressum"
  }
  ["query_string"]=>
  string(17) "model=impressum"
  ["request"]=>
  string(9) "impressum"
  ["matched_rule"]=>
  string(10) "([^/]+)/?$"
  ["matched_query"]=>
  string(17) "model=impressum"
  ["did_permalink"]=>
  bool(true)

so the “model” thingy is simply registered for posts not pages however its nonetheless wanting it up… I’ve received no clue to resolve this, any assist or some extra insights are a lot appreciated 🙂

fyi the customized taxonomy:

add_action('init', 'version_init');
operate version_init() {
    if (!is_taxonomy('model')) {
        $labels = array(
            'identify'                       => __( 'Versionen'),
            'singular_name'              => __( 'Model'),
            'search_items'               => __( 'Versionen suchen' ),
            'popular_items'              => __( 'Oft genutzte Versionen' ),
            'all_items'                  => __( 'Alle Versionen' ),
            'parent_item'                => null,
            'parent_item_colon'          => null,
            'edit_item'                  => __( 'Model bearbeiten' ),
            'update_item'                => __( 'Model aktualisieren' ),
            'add_new_item'               => __( 'Neue Model hinzufuegen' ),
            'new_item_name'              => __( 'Neue Model hinzufuegen' ),
            'add_or_remove_items'        => __( 'Model hinzufuegen oder bearbeiten' ),
            'choose_from_most_used'      => __( 'Die meistgenutzte Versionen aussuchen' ),
            'not_found'                  => __( 'Keine Versionen gefunden.' ),
            'menu_name'                  => __( 'Versionen' ),
        );
        $rewrite = array(
            'slug'                       => '',
            'with_front'                 => false,
            'hierarchical'               => false,
        );
        register_taxonomy( 'model', 'submit',
                          array(
                              'hierarchical' => TRUE,
                              'labels' => $labels,
                              'public' => TRUE,
                              'show_ui' => TRUE,
                              'show_admin_column' => TRUE,
                              'update_count_callback' => '_update_post_term_count',
                              'query_var' => 'model',
                              'rewrite' => $rewrite
                          )
                         );
    }
}