[Plugin: Polylang] Custom types – Suport – Quick wrong fix

To add support for translating custom content types
admin.php line 325 add

add_meta_box(‘ml_box’, __(‘Languages’,’polylang’), array(&$this,’post_language’), ‘news’, ‘side’,’high’);

replace news with name of your custom type.

http://wordpress.org/extend/plugins/polylang/