UBB.threads PHP Forum Software Community Forums UBB.classic UBB.classic 6 Support unable to find noncgi/styles directory

I've been having a heck of a time trying to fix this. I keep getting the following error:

Content-type: text/html
Software error:
Unable to create files in your noncgi/styles directory. The error returned was: Permission denied at ubb_setup.cgi line 340, <STDIN> line 1.

any idea on how to fix???

Thanks.