[SOLVED] Themes not saving

Hello. I am having a strange issue saving themes. As admin, if I go to the themes section and change to soomething besides the active theme, I get the saved successfully messgage, but the theme still shows like it has not been changed. I can change settings in other places just fine.

I am using the carbon theme as default. I can't change this. Any ideas where I should look?

Jeff

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Gallery version 2.3
PHP version 5.2.6-1
PHPInfo Link (see FAQ):
Webserver Apache 2.2.9 (Debian)
Database Mysql
Activated toolkits (e.g. NetPbm, GD):
Operating system Linux
Browser Firefox 3.5
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