root directory is wrong

how do I change the root directory word press is trying to work with?

I keep getting errors like:

Warning: include_once(/home/.tippiovenheater/hunter/test.justinparkermusic.com/wp-content/plugins/tinymce-advanced/tadv_admin.php) [function.include-once]: failed to open stream: No such file or directory in /home/.tippiovenheater/hunter/test.justinparkermusic.com/wp-content/plugins/tinymce-advanced.3.1/tinymce-advanced.php on line 217

I need to get rid of /home/.tippiovenheater/hunter but don’t know how.