WordPress MU

I am using the Atomic Blogging Themes and for example the name of one theme is:
Atomic Blogging 2.0 Theme (PINK)- Version

and I want to call it:
Energy Enhancement Theme (PINK)- Version

Where I have to change the name¿

The CSS file.

I looked the CSS file but in any part I saw the name of the theme.
?

At the top, right where it says Theme Name:

style.css (just in case there is more than one css file in there).

I change the names of the theme's folders, I mean I rename the default folder, but when a user create a blog appears this message at the top:

Warning: main(../atomic3.1red/variables.php): failed to open stream: No such file or directory in /hsphere/local/home/energies/energyenhancement.org/Spiritual-Blogs/wp-content/themes/default/header.php on line 1

Warning: main(../atomic3.1red/variables.php): failed to open stream: No such file or directory in /hsphere/local/home/energies/energyenhancement.org/Spiritual-Blogs/wp-content/themes/default/header.php on line 1

Warning: main(): Failed opening '../atomic3.1red/variables.php' for inclusion (include_path='.:/usr/local/lib/php:/usr/local/lib/php/PEAR:/usr/local/share/pear') in /hsphere/local/home/energies/energyenhancement.org/Spiritual-Blogs/wp-content/themes/default/header.php on line 1

I already change /atomic3.red/... by /default/... but apperars me the same.
so, what I have to do?

ok. It's already fix it.