Additional uncaught exception thrown while handling exception.

Original

PDOException: SQLSTATE[HY000]: General error: 1 cannot rollback - no transaction is active in _captcha_generate_captcha_session() (line 121 of /var/www/wiki-linki/data/www/heteroptera.ru/dp/sites/all/modules/captcha/captcha.inc).

Additional

PDOException: There is already an active transaction in dblog_watchdog() (line 157 of /var/www/wiki-linki/data/www/heteroptera.ru/dp/modules/dblog/dblog.module).