Cannot Access ACP

When I try to access the ACP I get this:
Warning: include_once(./../includes/functions_ip_track.php) [function.include-once]: failed to open stream: No such file or directory in /home/biblepro/public_html/IntegraMOD141/admin/index.php on line 32
Warning: include_once() [function.include]: Failed opening './../includes/functions_ip_track.php' for inclusion (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/biblepro/public_html/IntegraMOD141/admin/index.php on line 32
Warning: Cannot modify header information - headers already sent by (output started at /home/biblepro/public_html/IntegraMOD141/admin/index.php:32) in /home/biblepro/public_html/IntegraMOD141/admin/index.php on line 856
Warning: Cannot modify header information - headers already sent by (output started at /home/biblepro/public_html/IntegraMOD141/admin/index.php:32) in /home/biblepro/public_html/IntegraMOD141/admin/index.php on line 857
I am entering the correct username and password but I still get the above.
Warning: include_once(./../includes/functions_ip_track.php) [function.include-once]: failed to open stream: No such file or directory in /home/biblepro/public_html/IntegraMOD141/admin/index.php on line 32
Warning: include_once() [function.include]: Failed opening './../includes/functions_ip_track.php' for inclusion (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/biblepro/public_html/IntegraMOD141/admin/index.php on line 32
Warning: Cannot modify header information - headers already sent by (output started at /home/biblepro/public_html/IntegraMOD141/admin/index.php:32) in /home/biblepro/public_html/IntegraMOD141/admin/index.php on line 856
Warning: Cannot modify header information - headers already sent by (output started at /home/biblepro/public_html/IntegraMOD141/admin/index.php:32) in /home/biblepro/public_html/IntegraMOD141/admin/index.php on line 857
I am entering the correct username and password but I still get the above.