Shortcode not working on child theme

Hi, when I use the shortcode [wp_social_stream] nothing shows up. I have tried deactivating all the plugins but it doesn’t work unless I change back to the Twenty fourteen theme. The theme I am using is a custom child theme I have created based on twenty fourteen. Clearly there is some issue with the child theme, is there a manual way to register the shortcode with my chld theme. Any ideas?

https://ww.wp.xz.cn/plugins/wp-social-stream/