Is this working with current version on plugins ?

Hi there,
I am using WP 3.6.1, qTranslate 2.5.37 and Yoast SEO 1.4.19 and it does not seem to work…

Have a look : http://www.flightassistant.org/fr/getting-started/

If I deactivate Yoast, it is good again…

Any idea ?

Thanks in advance.

http://ww.wp.xz.cn/plugins/yoast-seo-fix-for-qtranslate/