Segmentation fault on Ubuntu 14.04 when I type something in synapse

Here is the error message that gets generated

farid@mohd-Lenovo-Z50-70:~$ synapse
[INFO 10:15:16.172703] [synapse-main:268] Starting up...
[INFO 10:15:16.226590] [synapse-main:211] Binding activation to <Control>space
[INFO 10:15:16.242247] [view-base:251] Screen is composited.
[INFO 10:15:16.242964] [controller:59] Using xim input method.
[WARN 10:15:16.326858] [desktop-file-service:193] Unable to get exec for Photos lens for Unity
[WARN 10:15:16.340392] [desktop-file-service:193] Key file contains key 'Terminal' which has a value that cannot be interpreted.
[WARN 10:15:16.346436] [desktop-file-service:193] Unable to create AppInfo for /usr/share/applications/gnome-deja-dup-panel.desktop
[WARN 10:15:16.348945] [desktop-file-service:193] Unable to get exec for Evolution Data Server
[INFO 10:15:16.391254] [gnome-session-plugin:158] org.gnome.SessionManager is available
[WARN 10:15:16.414888] [ssh-plugin:116] /home/farid/.ssh/config: Error opening file: No such file or directory
[INFO 10:15:16.423042] [hybrid-search-plugin:179] keeps in cache now 11 file names