Some buttons don't work

Hello,

This is really a great plugin. It replaces admin bar with a totally different and efficient function.
Would you help me with this?

http://mhsw.pitaungu.org/wp-content/uploads/2013/10/screenshot.png

Only notifications button appear and there is an error message on the left side.

Could you help me to fix the problem?

Big thanks!

http://wordpress.org/plugins/bp-social-network/