Did a clean install with no problems or warnings.. Tried to launch the cpanel to continue but i'm getting 500 errors..

Logs reveal the following:
[09-Oct-2009 02:33:20] PHP Notice:  Use of undefined constant TBL_CAT - assumed 'TBL_CAT' in /usr/sbin/centovacast-pureauth on line 84
[09-Oct-2009 02:33:20] PHP Notice:  Use of undefined constant KEY_NAMES - assumed 'KEY_NAMES' in /usr/sbin/centovacast-pureauth on line 84
[09-Oct-2009 02:33:20] PHP Notice:  Undefined index:  args in /home/centovacast/system/sql.php on line 0
[09-Oct-2009 02:33:20] PHP Notice:  Undefined variable: errmsg in /home/centovacast/system/sql.php on line 0
[09-Oct-2009 02:33:20] PHP Notice:  Use of undefined constant sql_error_handler - assumed 'sql_error_handler' in /usr/sbin/centovacast-pureauth on line 86

Any ideas?

Explained in the KB:
http://www.centova.com/pages/faqs/display/notice_undefined_index__116