1.Error: Class ‘PEAR’ not found -> Add following to open-basedir: php_admin_value open_basedir “/home/services:/tmp:/usr/share/roundcube:/usr/share/php:/var/lib/roundcube:/etc/roundcube” 2. Error: DB Error: [26] file is encrypted or is not a database -> Convert old database: sqlite vmk.rcm.db .dump | sqlite3 vmk.rcm.sqlite3.db