failed to open stream – Unable to activate wp-super cache

Help! Super cache will not work on my site at http://www.lkrdesign.com.
I dont know why it includes education.lkrdesign.com/site in these errors below. Help!
Lisa

Warning: include(/home/lisakate/education.lkrdesign.com/site/wp-content/plugins/wp-super-cache/wp-cache-base.php) [function.include]: failed to open stream: No such file or directory in /home/content/56/10598656/html/blog/wp-content/plugins/wp-super-cache/wp-cache.php on line 53

Warning: include() [function.include]: Failed opening ‘/home/lisakate/education.lkrdesign.com/site/wp-content/plugins/wp-super-cache/wp-cache-base.php’ for inclusion (include_path=’.:/usr/local/php5_3/lib/php’) in /home/content/56/10598656/html/blog/wp-content/plugins/wp-super-cache/wp-cache.php on line 53

Warning: include_once(/home/lisakate/education.lkrdesign.com/site/wp-content/plugins/wp-super-cache/ossdl-cdn.php) [function.include-once]: failed to open stream: No such file or directory in /home/content/56/10598656/html/blog/wp-content/plugins/wp-super-cache/wp-cache.php on line 70

Warning: include_once() [function.include]: Failed opening ‘/home/lisakate/education.lkrdesign.com/site/wp-content/plugins/wp-super-cache/ossdl-cdn.php’ for inclusion (include_path=’.:/usr/local/php5_3/lib/php’) in /home/content/56/10598656/html/blog/wp-content/plugins/wp-super-cache/wp-cache.php on line 70

http://wordpress.org/extend/plugins/wp-super-cache/