Problems adding files to cvs?

[SINe Wave]

Hello there,

I know this is a real noobie question but i've only recently started using 
cvs and i dont really know it too well. Anyway heres my problem.  Whenever I 
try to add a file to the cvs tree i get the following error:

RCS file: /test.java,v
done
cvs commit: Couldn't open rcs file `/test.java,v': Permission denied
Checking in test.java;
cvs commit: cannot open /test.java,v: Permission denied
Segmentation fault (core dumped)

For example purposes i used test.java as the file i wanted to check in. 
Everything else seems to work though( co , update, etc) so im not sure what 
it is?

Any ideas
thx
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