whenever i type ccsm on terminal i get this message:-

(ccsm:5817): Gtk-WARNING **: Locale not supported by C library.
Using the fallback 'C' locale.
Traceback (most recent call last):
File "/usr/bin/ccsm", line 39, in <module>
import ccm
File "/usr/lib/python2.5/site-packages/ccm/__init__.py", line 1, in <module>
from ccm.Conflicts import *
File "/usr/lib/python2.5/site-packages/ccm/Conflicts.py", line 27, in <module>
from ccm.Constants import *
File "/usr/lib/python2.5/site-packages/ccm/Constants.py", line 92, in <module>
locale.setlocale(locale.LC_ALL, "")
File "/usr/lib/python2.5/locale.py", line 478, in setlocale
return _setlocale(category, locale)
locale.Error: unsupported locale setting

You would need to give some more information. What distribution is this, how did you install Compiz (and it's dependencies), etc.