E T on "[Plugin: WP Super Cache] [function.include]: Failed Errors"

In the last hour all our sites running WP Super Cache are reporting errors similar to these listed below. We haven't made any backend changes or anything that would have caused this. Please advise.

Waing: include(/nfs/c07/h01/mnt/99388/domains/eranthomson.com/html/wp-content/plugins/wp-super-cache/wp-cache-base.php) [function.include]: failed to open stream: No such file or directory in /nfs/c07/h05/mnt/99388/domains/eranthomson.com/html/wp-content/plugins/wp-super-cache/wp-cache.php on line 65

Waing: include() [function.include]: Failed opening '/nfs/c07/h01/mnt/99388/domains/eranthomson.com/html/wp-content/plugins/wp-super-cache/wp-cache-base.php' for inclusion (include_path='.:/usr/local/php-5.3.29/share/pear') in /nfs/c07/h05/mnt/99388/domains/eranthomson.com/html/wp-content/plugins/wp-super-cache/wp-cache.php on line 65

Waing: include_once(/nfs/c07/h01/mnt/99388/domains/eranthomson.com/html/wp-content/plugins/wp-super-cache/ossdl-cdn.php) [function.include-once]: failed to open stream: No such file or directory in /nfs/c07/h05/mnt/99388/domains/eranthomson.com/html/wp-content/plugins/wp-super-cache/wp-cache.php on line 82

Waing: include_once() [function.include]: Failed opening '/nfs/c07/h01/mnt/99388/domains/eranthomson.com/html/wp-content/plugins/wp-super-cache/ossdl-cdn.php' for inclusion (include_path='.:/usr/local/php-5.3.29/share/pear') in /nfs/c07/h05/mnt/99388/domains/eranthomson.com/html/wp-content/plugins/wp-super-cache/wp-cache.php on line 82

https://wordpress.org/plugins/wp-super-cache/