There has been a serious error: SQLSTATE[HY000]: General error: 11 database disk image is malformed
This error means that something has happened to either the snapt.db or log.db sqlite databases used by Snapt. In 9/10 cases it is the log.db file. Depending on your installation this file is stored in /usr/local/snapt/program/db or /srv/www/htdocs/db
You may follow the SQLite Repair Guide to repair the problem.