Kentucky Derby Field Coming in Focus, Verrazano Will Be Favorite

Error message

Notice: unserialize(): Error at offset 6458 of 12650 bytes in DrupalDatabaseCache->prepareItem() (line 449 of /home/usracebook/htdocs/usracebook.com/includes/cache.inc).
Warning: Invalid argument supplied for foreach() in field_attach_load() (line 660 of /home/usracebook/htdocs/usracebook.com/modules/field/field.attach.inc).