Error after Update to php 5.3

[C-Cosmo]

I updated my php and mysql Versions.

After that I have a lot of Errors.

At Adminpannel:

Quote:Warning: require_once(/var/www/ispcp/gui/include/ispcp-db-keys.php): failed to open stream: Permission denied in /var/www/ispcp/gui/include/ispcp-lib.php on line 90 Fatal error: require_once(): Failed opening required '/var/www/ispcp/gui/include/ispcp-db-keys.php' (include_path='.:/usr/share/php:/usr/share/pear') in /var/www/ispcp/gui/include/ispcp-lib.php on line 90

At phpmyadmin:

Quote:Cannot start session without errors, please check errors given in your PHP and/or webserver log file and configure your PHP installation properly.

At Website:
http://ultimate-esport.de

php -v:

Quote:PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php5/20090626/adodb.so' - /usr/lib/php5/20090626/adodb.so: cannot open shared object file: No such file or directory in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib/php5/20090626/mhash.so' - /usr/lib/php5/20090626/mhash.so: cannot open shared object file: No such file or directory in Unknown on line 0
PHP 5.3.8-1~dotdeb.1 with Suhosin-Patch (cli) (built: Aug 26 2011 12:46:54)
Copyright © 1997-2011 The PHP Group
Zend Engine v2.3.0, Copyright © 1998-2011 Zend Technologies
with Suhosin v0.9.32.1, Copyright © 2007-2010, by SektionEins GmbH

The Chmod Permissions at the Website are the same as they was.

Please help me what to do!