Backup Failed:

Hi, have re-installed a couple of times, but same error. Any help would be most appreciated thanks. PS, this backup worked on my other site, runcentral.co.nz. Thx Denise

A database operation failed.
Please try reinstalling the plugin – in most cases this will repair the database.
Please contact support if the issue persists, providing the complete event log for the activity. Diagnostic information follows:

Failed at: 466(/var/www/vhosts/thestool.co/httpdocs/wp-content/plugins/wponlinebackup/include/files.php)
WPDB error: Table ‘thestooldb.wp_wponlinebackup_items’ doesn’t exist. Last query: INSERT INTO wp_wponlinebackup_items (bin, item_id, parent_id, type, name, path, backup, activity_id, counter) VALUES (2, 1, 0, 0, ‘httpdocs’, ‘/’, 1, 1, 0) ON DUPLICATE KEY UPDATE type = 0, name = ‘httpdocs’, path = ‘/’, backup = IF(exists IS NULL, 1, 0), activity_id = 1, counter = 0

Online Backup for WordPress Plugin Version 2.2.10
PHP Version: 5.2.6-1+lenny16
MySQL Server Version: 5.5.24-0ubuntu0.12.04.1-log
MySQL Client Version: 1.0
Mem: 64M; Post: 24M; Upload: 24M; Timeout: 30
End of Information

http://wordpress.org/extend/plugins/wponlinebackup/