System error

error:  Can't locate object method "header_in" via package "Apache2::RequestRec" at /var/opt/websites/bioinfo/graphics/cover.html line 51.
context: 
... 
47:  </html>
48: 
49:  <%filter>
50: 
51:  my $browser = new HTTP::BrowserDetect($r->header_in('User-Agent'));
52:  if ($browser->version() < 4.00) {$m->comp('/shared/main_filter', browser=>$browser)}
53: 
54:  </%filter>
55: 
code stack:  /var/opt/websites/bioinfo/graphics/cover.html:51
/opt/perl/lib/HTML/Mason/Buffer.pm:120
/opt/perl/lib/HTML/Mason/Request.pm:1085
raw error






























Can't locate object method "header_in" via package "Apache2::RequestRec" at /var/opt/websites/bioinfo/graphics/cover.html line 51.


Trace begun at /opt/perl/lib/HTML/Mason/Exceptions.pm line 131
HTML::Mason::Exceptions::rethrow_exception('Can\'t locate object method "header_in" via package "Apache2::RequestRec" at /var/opt/websites/bioinfo/graphics/cover.html line 51.^J') called at /var/opt/websites/bioinfo/graphics/cover.html line 51
HTML::Mason::Commands::__ANON__('^J<html>^J<head>^J<title>BioinformaticsOnline.org > Book Cover</title>^J<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">^J<link rel="stylesheet" href="/shared/main.css" type="text/css">^J</head>^J^J<body bgcolor="#FFFFFF" leftmargin="12" topmargin="12" marginwidth="12" marginheight="12" onload="window.focus()">^J^J<table width="100%" border="0" cellspacing="2" cellpadding="0">^J<tr>^J<td>^J^I<table width="100%" border="0" cellspacing="0" cellpadding="2">^J^I<tr bgcolor="#A1C1BC">^J^I<td class="smBlkText">&nbsp;BOOK COVER</td>^J^I<td align="right"><a href="javascript:window.close()"><span class="smBlkText">CLOSE X</span></a>&nbsp;</td>^J^I</tr>^J^I</table>^J</td>^J</tr>^J<tr>^J<td>^J^I<table width="100%" border="0" cellspacing="0" cellpadding="0">^J^I<tr>^J^I<td rowspan="3">&nbsp;</td>^J^I<td width="100%"><img src="/graphics/shim.gif" width="1" height="5"></td>^J^I<td rowspan="3">&nbsp;</td>^J^I</tr>^J^I<tr>^J^I<td width="100%">^J^I<p><img src="/graphics/cover2_lg.jpg" border="0"></p>^J^I</td>^J^I</tr>^J^I<tr>^J^I<td width="100%"><img src="/graphics/shim.gif" width="1" height="5"></td>^J^I</tr>^J^I</table>^J</td>^J</tr>^J</table>^J^J</body>^J</html>^J^J') called at /opt/perl/lib/HTML/Mason/Buffer.pm line 144
HTML::Mason::Buffer::_make_output('HTML::Mason::Buffer=HASH(0x81425090)') called at /opt/perl/lib/HTML/Mason/Buffer.pm line 120
HTML::Mason::Buffer::output('HTML::Mason::Buffer=HASH(0x81425090)') called at /opt/perl/lib/HTML/Mason/Request.pm line 1085
HTML::Mason::Request::comp(undef, undef, undef) called at /opt/perl/lib/HTML/Mason/Request.pm line 338
eval {...} at /opt/perl/lib/HTML/Mason/Request.pm line 338
eval {...} at /opt/perl/lib/HTML/Mason/Request.pm line 297
HTML::Mason::Request::exec('HTML::Mason::Request::Apache2Handler=HASH(0x81424e74)') called at /opt/perl/lib/HTML/Mason/Apache2Handler.pm line 132
eval {...} at /opt/perl/lib/HTML/Mason/Apache2Handler.pm line 132
HTML::Mason::Request::Apache2Handler::exec('HTML::Mason::Request::Apache2Handler=HASH(0x81424e74)') called at /opt/perl/lib/HTML/Mason/Apache2Handler.pm line 794
HTML::Mason::Apache2Handler::handle_request('HTML::Mason::Apache2Handler=HASH(0x811b591c)', 'Apache2::RequestRec=SCALAR(0x8125d158)') called at (eval 42) line 8
HTML::Mason::Apache2Handler::handler('HTML::Mason::Apache2Handler', 'Apache2::RequestRec=SCALAR(0x8125d158)') called at -e line 0
eval {...} at -e line 0