Assign Leave not working

[sambit]

I am attaching the log file of error which I am getting while using Assign Leave function. Please help. Here is the log file details below.Thanks.

Fri, 07 May 2010 21:15:55 -0400 :
escapeshellcmd() has been disabled for security reasons in /home/vol7/byethost14.com/b14_5561546/htdocs/orangehrm-2.5.0.4/templates/eimadmin/compstruct.php on line 229
Fri, 07 May 2010 21:16:34 -0400 :
escapeshellcmd() has been disabled for security reasons in /home/vol7/byethost14.com/b14_5561546/htdocs/orangehrm-2.5.0.4/templates/eimadmin/compstruct.php on line 229
Mon, 10 May 2010 08:46:08 -0400 :
session_start() [function.session-start]: ps_files_cleanup_dir: opendir(/php_sessions) failed: Permission denied (13) in /home/vol7/byethost14.com/b14_5561546/htdocs/orangehrm-2.5.0.4/login.php on line 30
Tue, 11 May 2010 10:57:25 -0400 :
Undefined index: hdnGridCount in /home/vol7/byethost14.com/b14_5561546/htdocs/orangehrm-2.5.0.4/lib/extractor/time/EXTRACTOR_TimeEvent.php on line 220
Mon, 07 Jun 2010 07:01:19 -0400 :
is_file() [function.is-file]: open_basedir restriction in effect. File(/usr/lib/sendmail) is not within the allowed path(s): (/php_sessions:/tmp:/var/www/errors:/usr/share/php:/home/vol7/byethost14.com/b14_5561546/htdocs) in /home/vol7/byethost14.com/b14_5561546/htdocs/orangehrm-2.5.0.4/templates/leave/leaveApply.php on line 200
Mon, 07 Jun 2010 07:03:24 -0400 :
is_file() [function.is-file]: open_basedir restriction in effect. File(/usr/lib/sendmail) is not within the allowed path(s): (/php_sessions:/tmp:/var/www/errors:/usr/share/php:/home/vol7/byethost14.com/b14_5561546/htdocs) in /home/vol7/byethost14.com/b14_5561546/htdocs/orangehrm-2.5.0.4/templates/leave/leaveApply.php on line 200
Mon, 07 Jun 2010 07:20:15 -0400 :
is_file() [function.is-file]: open_basedir restriction in effect. File(/usr/lib/sendmail) is not within the allowed path(s): (/php_sessions:/tmp:/var/www/errors:/usr/share/php:/home/vol7/byethost14.com/b14_5561546/htdocs) in /home/vol7/byethost14.com/b14_5561546/htdocs/orangehrm-2.5.0.4/templates/leave/leaveApply.php on line 200
Mon, 07 Jun 2010 07:50:44 -0400 :
is_file() [function.is-file]: open_basedir restriction in effect. File(/usr/lib/sendmail) is not within the allowed path(s): (/php_sessions:/tmp:/var/www/errors:/usr/share/php:/home/vol7/byethost14.com/b14_5561546/htdocs) in /home/vol7/byethost14.com/b14_5561546/htdocs/orangehrm-2.5.0.4/templates/leave/leaveApply.php on line 200

[zanfer]

seems like some functions are disabled in the php.ini file. eg: escapeshellcmd() has been disabled for security reasons
are you using a shared server ?