HI I am gettng a blank page when trying to access the http://localhost/maia ( i have followed instruction as per wiki )

following is the log that i recvd frm /var/log/httpd/maia-error_log ##################################################################### [root@mail maia]# tail -f /var/log/httpd/maia-error_log [client 192.168.0.208] PHP Fatal error: Cannot use object of type PEAR_Error as array in /var/www/html/maia/admin/configtest.php on line 292 [client 192.168.0.208] PHP Notice: Use of undefined constant PEAR_LOG_DEBUG - assumed 'PEAR_LOG_DEBUG' in /var/www/html/maia/config.php on line 79 [client 192.168.0.208] PHP Notice: Use of undefined constant PEAR_LOG_DEBUG - assumed 'PEAR_LOG_DEBUG' in /var/www/html/maia/config.php on line 82 [client 192.168.0.208] PHP Fatal error: Class 'Log' not found in /var/www/html/maia/maia_log.php on line 87 [client 192.168.0.208] PHP Notice: Use of undefined constant PEAR_LOG_DEBUG - assumed 'PEAR_LOG_DEBUG' in /var/www/html/maia/config.php on line 79 [client 192.168.0.208] PHP Notice: Use of undefined constant PEAR_LOG_DEBUG - assumed 'PEAR_LOG_DEBUG' in /var/www/html/maia/config.php on line 82 [client 192.168.0.208] PHP Fatal error: Class 'Log' not found in /var/www/html/maia/maia_log.php on line 87 [client 192.168.0.208] PHP Notice: Use of undefined constant PEAR_LOG_DEBUG - assumed 'PEAR_LOG_DEBUG' in /var/www/html/maia/config.php on line 79 [client 192.168.0.208] PHP Notice: Use of undefined constant PEAR_LOG_DEBUG - assumed 'PEAR_LOG_DEBUG' in /var/www/html/maia/config.php on line 82 [client 192.168.0.208] PHP Fatal error: Class 'Log' not found in /var/www/html/maia/maia_log.php on line 87 #################################################################

I have not undestood where i went worng .

PLs let me know how to resolve this .