Status Reports show different date

Issue Summary

Hi,

I have installed Drupal 6.16.

On the web interface shows me the attached image(screenshot taken today 19/07/2010). And when I run cron, This is the log:

WD php: Unknown column 'interval' in 'where clause' [error]
query: SELECT * FROM drupal_simplenews_scheduler WHERE activated = 1 AND 1279550591 - last_run > 86400 AND `interval` = 'day' AND start_date
WD php: Unknown column 'interval' in 'where clause' [error]
query: SELECT * FROM drupal_simplenews_scheduler WHERE activated = 1 AND 1279550591 - last_run > 604800 AND `interval` = 'week' AND start_date
WD php: Unknown column 'interval' in 'where clause' [error]
query: SELECT * FROM drupal_simplenews_scheduler WHERE activated = 1 AND 1279550591 - last_run > 2678400 AND `interval` = 'month' AND start_date