Mail Prob

[cococlimber]

Hello there! im asking for a liitle about my mail.
I can login here [ https://stoli.x10hosting.com:2096/ ]
but i always error whnever i go to the any of the mail Box option (horde, squirel, roundtube)

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Horde Error -
" A fatal error has occurred
DB Error: connect failed
Details have been logged for the administrator. "


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Squirel Error -
" Warning: session_write_close() [function.session-write-close]: write failed: No space left on device (28) in /usr/local/cpanel/base/3rdparty/squirrelmail/functions/auth.php on line 111

Warning: session_write_close() [function.session-write-close]: Failed to write session data (files). Please verify that the current setting of session.save_path is correct (/tmp) in /usr/local/cpanel/base/3rdparty/squirrelmail/functions/auth.php on line 111

Warning: Cannot modify header information - headers already sent by (output started at /usr/local/cpanel/base/3rdparty/squirrelmail/functions/auth.php:111) in /usr/local/cpanel/base/3rdparty/squirrelmail/functions/i18n.php on line 466 "
ERROR
You must be logged in to access this page.
Go to the login page


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RoundCube -
" DATABASE ERROR: CONNECTION FAILED!
Unable to connect to the database!
Please contact your server-administrator. "


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im looking forward for the fix and advance thank you x10 staff!

~Regards
carlo francisco