Error: class.Database.php

[KosHost]

Hello All,

I got error on class.Database.php
You can check it on http://m075.magenta.fastwebserver.de

Fatal error: Uncaught exception 'Exception' with message 'Database error: Not connected to default' in /var/www/ispcp/gui/include/class.Database.php:52 Stack trace: #0 /var/www/ispcp/gui/include/i18n.php(79): Database::getInstance() #1 /var/www/ispcp/gui/include/system-message.php(61): tr('ispCP Error') #2 /var/www/ispcp/gui/include/ispcp-config.php(74): system_message('ERROR: The php-...') #3 /var/www/ispcp/gui/include/sql.php(34): decrypt_db_password('vO4Ya+/vj5j+bxP...') #4 /var/www/ispcp/gui/include/ispcp-lib.php(68): require_once('/var/www/ispcp/...') #5 /var/www/ispcp/gui/index.php(31): require('/var/www/ispcp/...') #6 {main} thrown in /var/www/ispcp/gui/include/class.Database.php on line 52

Can someone help me to resolve this Problem

Thanks

Sincerly
Matthew