weird httpd errors

Im having this errors in my httpd error log, ive also noticed there is a slowdown in accessing the database
im using the latest agc 2.0.5 with httpd 2 php5 mysql5
[Thu May 14 03:52:47 2009] [error] [client 192.168.2.41] PHP Notice: Undefined variable: phone_code in /var/www/html/agc/vdc_db_query.php on line 405, referer: http://192.168.2.2/agc/vicidial.php
[Thu May 14 03:52:47 2009] [error] [client 192.168.2.41] PHP Notice: Undefined variable: phone_number in /var/www/html/agc/vdc_db_query.php on line 406, referer: http://192.168.2.2/agc/vicidial.php
[Thu May 14 03:52:47 2009] [error] [client 192.168.2.41] PHP Notice: Undefined variable: DB in /var/www/html/agc/vdc_db_query.php on line 422, referer: http://192.168.2.2/agc/vicidial.php
[Thu May 14 03:52:47 2009] [error] [client 192.168.2.41] PHP Notice: Undefined variable: DB in /var/www/html/agc/vdc_db_query.php on line 444, referer: http://192.168.2.2/agc/vicidial.php
[Thu May 14 03:52:47 2009] [error] [client 192.168.2.41] PHP Notice: Undefined variable: DB in /var/www/html/agc/vdc_db_query.php on line 2576, referer: http://192.168.2.2/agc/vicidial.php
[Thu May 14 03:52:47 2009] [error] [client 192.168.2.37] PHP Notice: Undefined variable: DB in /var/www/html/agc/vdc_db_query.php on line 387, referer: http://192.168.2.2/agc/vicidial.php
[Thu May 14 03:52:47 2009] [error] [client 192.168.2.37] PHP Notice: Undefined variable: length_in_sec in /var/www/html/agc/vdc_db_query.php on line 404, referer: http://192.168.2.2/agc/vicidial.php
[Thu May 14 03:52:47 2009] [error] [client 192.168.2.37] PHP Notice: Undefined variable: phone_code in /var/www/html/agc/vdc_db_query.php on line 405, referer: http://192.168.2.2/agc/vicidial.php
[Thu May 14 03:52:47 2009] [error] [client 192.168.2.37] PHP Notice: Undefined variable: phone_number in /var/www/html/agc/vdc_db_query.php on line 406, referer: http://192.168.2.2/agc/vicidial.php
[Thu May 14 03:52:47 2009] [error] [client 192.168.2.37] PHP Notice: Undefined variable: DB in /var/www/html/agc/vdc_db_query.php on line 422, referer: http://192.168.2.2/agc/vicidial.php
[Thu May 14 03:52:47 2009] [error] [client 192.168.2.37] PHP Notice: Undefined variable: DB in /var/www/html/agc/vdc_db_query.php on line 444, referer: http://192.168.2.2/agc/vicidial.php
[Thu May 14 03:52:47 2009] [error] [client 192.168.2.37] PHP Notice: Undefined variable: DB in /var/www/html/agc/vdc_db_query.php on line 2576, referer: http://192.168.2.2/agc/vicidial.php
im using the latest agc 2.0.5 with httpd 2 php5 mysql5
[Thu May 14 03:52:47 2009] [error] [client 192.168.2.41] PHP Notice: Undefined variable: phone_code in /var/www/html/agc/vdc_db_query.php on line 405, referer: http://192.168.2.2/agc/vicidial.php
[Thu May 14 03:52:47 2009] [error] [client 192.168.2.41] PHP Notice: Undefined variable: phone_number in /var/www/html/agc/vdc_db_query.php on line 406, referer: http://192.168.2.2/agc/vicidial.php
[Thu May 14 03:52:47 2009] [error] [client 192.168.2.41] PHP Notice: Undefined variable: DB in /var/www/html/agc/vdc_db_query.php on line 422, referer: http://192.168.2.2/agc/vicidial.php
[Thu May 14 03:52:47 2009] [error] [client 192.168.2.41] PHP Notice: Undefined variable: DB in /var/www/html/agc/vdc_db_query.php on line 444, referer: http://192.168.2.2/agc/vicidial.php
[Thu May 14 03:52:47 2009] [error] [client 192.168.2.41] PHP Notice: Undefined variable: DB in /var/www/html/agc/vdc_db_query.php on line 2576, referer: http://192.168.2.2/agc/vicidial.php
[Thu May 14 03:52:47 2009] [error] [client 192.168.2.37] PHP Notice: Undefined variable: DB in /var/www/html/agc/vdc_db_query.php on line 387, referer: http://192.168.2.2/agc/vicidial.php
[Thu May 14 03:52:47 2009] [error] [client 192.168.2.37] PHP Notice: Undefined variable: length_in_sec in /var/www/html/agc/vdc_db_query.php on line 404, referer: http://192.168.2.2/agc/vicidial.php
[Thu May 14 03:52:47 2009] [error] [client 192.168.2.37] PHP Notice: Undefined variable: phone_code in /var/www/html/agc/vdc_db_query.php on line 405, referer: http://192.168.2.2/agc/vicidial.php
[Thu May 14 03:52:47 2009] [error] [client 192.168.2.37] PHP Notice: Undefined variable: phone_number in /var/www/html/agc/vdc_db_query.php on line 406, referer: http://192.168.2.2/agc/vicidial.php
[Thu May 14 03:52:47 2009] [error] [client 192.168.2.37] PHP Notice: Undefined variable: DB in /var/www/html/agc/vdc_db_query.php on line 422, referer: http://192.168.2.2/agc/vicidial.php
[Thu May 14 03:52:47 2009] [error] [client 192.168.2.37] PHP Notice: Undefined variable: DB in /var/www/html/agc/vdc_db_query.php on line 444, referer: http://192.168.2.2/agc/vicidial.php
[Thu May 14 03:52:47 2009] [error] [client 192.168.2.37] PHP Notice: Undefined variable: DB in /var/www/html/agc/vdc_db_query.php on line 2576, referer: http://192.168.2.2/agc/vicidial.php