Hi, we are using Horde 3.1.1, IMP 4.1.1, MySQL 4.1.16, PHP 5.1.4. One of our users is getting: Error writing session data [on line 144 of "/var/www/html/horde/lib/Horde/SessionHandler/mysql.php"] The others can login without problems. How can I fix this problem? Thanks, Eduardo.-