Seems to be a issue here

[Thu Jan 29 02:05:55 2009] [error] [client 85.242.133.200] mollom_form_alter registered mollom_validate_captcha handler, referer: http://l10n.drupal-pt.org/
[Thu Jan 29 02:05:55 2009] [error] [client 85.242.133.200] _mollom_insert_captcha, referer: http://l10n.drupal-pt.org/
[Thu Jan 29 02:05:54 2009] [error] [client 85.242.133.200] called mollom.getImageCaptcha at server http://88.151.243.81 with no session ID, referer: http://l10n.drupal-pt.org/
[Thu Jan 29 02:05:54 2009] [error] [client 85.242.133.200] _mollom_insert_captcha retrieved URL 'http://xmlrpc1.mollom.com:80/c91e4e5aed58d7bc.png' and session ID '5f9a4bfd49e2583a', referer: http://l10n.drupal-pt.org/
[Thu Jan 29 02:06:53 2009] [error] [client 85.242.133.200] mollom_form_alter registered mollom_validate_captcha handler, referer: http://l10n.drupal-pt.org/
[Thu Jan 29 02:06:53 2009] [error] [client 85.242.133.200] _mollom_insert_captcha, referer: http://l10n.drupal-pt.org/
[Thu Jan 29 02:06:54 2009] [error] [client 85.242.133.200] called mollom.getImageCaptcha at server http://88.151.243.81 with no session ID, referer: http://l10n.drupal-pt.org/
[Thu Jan 29 02:06:54 2009] [error] [client 85.242.133.200] _mollom_insert_captcha retrieved URL 'http://xmlrpc1.mollom.com:80/c9dd53831c27b066.png' and session ID '6bb1fb76006e94a0', referer: http://l10n.drupal-pt.org/