Empathy error

When i try to open empathy through console i get the following error.
** (empathy:6738): DEBUG: mission_control_get_presence_actual: MC not running.
** (empathy:6738): DEBUG: mission_control_get_presence_message_actual: MC not running.
** (empathy:6738): DEBUG: mission_control_get_online_connections: MC not running.
** (empathy:6738): DEBUG: mission_control_get_tpconnection: MC not running.
** (empathy:6738): DEBUG: mission_control_get_connection_status: MC not running.

** (empathy:6738): CRITICAL **: dbus_g_connection_get_connection: assertion `gconnection’ failed
process 6738: arguments to dbus_connection_get_data() were incorrect, assertion “connection != NULL” failed in file dbus-connection.c line 5758.
This is normally a bug in some application using the D-Bus library.
D-Bus not built with -rdynamic so unable to print a backtrace
I wanted to enable voice chat with gtalk. Still unable to do it.