To fix this error make sure that you have done following steps and then contact back to us with /usr/ictcore/log/ictcore.log
1. first of all update ICTFAX with latest version.
2. As being admin, Uninstall ICTFAX module from drupal module administration, and enable it again.
3. Note the logs from /usr/ictcore/log/ictcore.log file