Problems with the Social Theme

Ok I set up the wp debug to true. Here is the error I get right away:
Notice: Undefined index: QUERY_STRING in /hermes/bosnaweb08a/b2425/ipg.digiadca/bizy/wp-content/plugins/jetpack/class.jetpack.php on line 2139

. when I activated the social theme the screen went blank. I reloaded it . Can you try to access the theme options and see? To me all the options are inactive!