Add Tags to custom post type

It seems the issue was in part down to their being a theme-init.php in the child theme which was overwritting parts of the theme-init.php in the parent / cherry framework theme.

I resolved the issue by adding the following code into my child theme’s theme-init.php;

register_taxonomy('team_tag', 'team', array(
    'hierarchical' => false, 
    'label' => theme_locals("tags"), 
    'singular_name' => theme_locals("tag"), 
    'rewrite' => true, 
    'query_var' => true
    )
);