wysiwyg field is breaking in woocommerce

Hi Support,
Can you please give me a favor, I am not able to get the wysiwyg field in the admin section and I have added the field to post type product in woocommerce, can you please tell me why this is happening my code for it is

add_filter('rwmb_meta_boxes', 'mica_pdf_print_products_meta_boxes');
function mica_pdf_print_products_meta_boxes($meta_boxes){
    $meta_boxes[] = array(
                        'title' => 'PDF Description',
                        'post_types' => array('product'),
                        'fields' => array(
                                        array(
                                            'id' => 'pdf-description',
                                            'type'  => 'wysiwyg',
                                            'options' => array(
                                                    'textarea_rows' => 4,
                                                    'teeny'         => true,
                                                ),
                                            ),
                            ),
                    ); 
    return $meta_boxes;
}

Regards,
Calpaq