System error

error:  no attribute 'class' for component /bioinfo/proteomics/share/index.html
context: 
... 
7:  <style><!-- @import url(../css/menu.css);--></style>
8: 
9:  </head>
10: 
11:  % my $class = $m->base_comp->attr('class');
12:  % $class=($role =~/analyst/i)?'s'.$class:$class;
13: 
14:  <body class=<%$class%> onload="resetForms()">
15:  <img src="../../images/logo.gif">
... 
code stack:  /home/u9/ritu/htdocs/mason/bioinfo/proteomics/share/autohandler:11
/home/u9/ritu/htdocs/mason/bioinfo/proteomics/share/syshandler:42
raw error






























no attribute 'class' for component /bioinfo/proteomics/share/index.html

Trace begun at /usr/local/share/perl5/HTML/Mason/Component.pm line 226
HTML::Mason::Component::attr('HTML::Mason::Component::FileBased=HASH(0x56307c6e8db0)', 'class') called at /home/u9/ritu/htdocs/mason/bioinfo/proteomics/share/autohandler line 11
HTML::Mason::Commands::__ANON__ at /usr/local/share/perl5/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x56307ca67400)') called at /usr/local/share/perl5/HTML/Mason/Request.pm line 1302
eval {...} at /usr/local/share/perl5/HTML/Mason/Request.pm line 1292
HTML::Mason::Request::comp(undef, undef, undef) called at /usr/local/share/perl5/HTML/Mason/Request.pm line 955
HTML::Mason::Request::call_next('HTML::Mason::Request::ApacheHandler=HASH(0x56307ca79228)') called at /home/u9/ritu/htdocs/mason/bioinfo/proteomics/share/syshandler line 42
HTML::Mason::Commands::__ANON__ at /usr/local/share/perl5/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x56307c9d30f8)') called at /usr/local/share/perl5/HTML/Mason/Request.pm line 1297
eval {...} at /usr/local/share/perl5/HTML/Mason/Request.pm line 1292
HTML::Mason::Request::comp(undef, undef, undef) called at /usr/local/share/perl5/HTML/Mason/Request.pm line 481
eval {...} at /usr/local/share/perl5/HTML/Mason/Request.pm line 481
eval {...} at /usr/local/share/perl5/HTML/Mason/Request.pm line 433
HTML::Mason::Request::exec('HTML::Mason::Request::ApacheHandler=HASH(0x56307ca79228)') called at /usr/local/share/perl5/HTML/Mason/ApacheHandler.pm line 168
HTML::Mason::Request::ApacheHandler::exec('HTML::Mason::Request::ApacheHandler=HASH(0x56307ca79228)') called at /usr/local/share/perl5/HTML/Mason/ApacheHandler.pm line 825
HTML::Mason::ApacheHandler::handle_request('HTML::Mason::ApacheHandler=HASH(0x56307c971e90)', 'Apache2::RequestRec=SCALAR(0x56307ca790d8)') called at (eval 44) line 8
HTML::Mason::ApacheHandler::handler('HTML::Mason::ApacheHandler', 'Apache2::RequestRec=SCALAR(0x56307ca790d8)') called at -e line 0
eval {...} at -e line 0