ttem on "[Plugin: W3 Total Cache] Debug warning msg Failed to open dir no such file/ directory- woocommerce site"

Hello I am getting the following warning msgs when adding item to cart in my woocommerce site:

WARNING: wp-content/plugins/w3-total-cache/inc/functions/file.php:82 - opendir(..../wp-content/cache/db/000000/options_comments/) [function.opendir]: failed to open dir: No such file or directory
WARNING: wp-content/plugins/w3-total-cache/inc/functions/file.php:82 - opendir(..../wp-content/cache/db/000000/options/) [function.opendir]: failed to open dir: No such file or directory

Any advice on what to do about this.

Thanks

http://wordpress.org/extend/plugins/w3-total-cache/