1.I have updated password of my sql database linked to roundcube now they are not able to login
DATABASE ERROR!
Unable to connect to the database!
Please contact your server-administrator.
2.installing system hardening plugin it is giving issue and after unistalling also it is giving issue
Warning: session_start(): Failed to read session data: user (path: 127.0.0.1:11211) in /www/wwwroot/XXXXXXXXXXX/libraries/joomla/session/handler/native.php on line 260
Error: Failed to start application: Failed to start the session