System error

error:  no method 'call_from_dhandler' for component /share/defaults/db/forums/dhandler.msn [xds]
context: 
... 
833:  my @dh_parts;
834:  do {
835:  my $comp = "/share/defaults/".join('/',@path_parts,'dhandler.msn');
836:  $m->{dhandler_arg}=join('/',reverse @dh_parts); ## Mason intervention
837:  $m->comp_exists($comp) && return $m->fetch_comp($comp)->call_method('call_from_dhandler');
838:  push @dh_parts, pop @path_parts;
839:  } while(scalar @path_parts) ;
840:  return 404;
841:  }
... 
code stack:  /usr/local/stack/xware/XDS-2.0.0/lib/perl5/site_perl/5.8.5/XWare/Site/Lite.pm:837
/usr/local/stack/xware/XDS-2.0.0/lib/perl5/site_perl/5.8.5/XWare/Site.pm:513
/usr/local/stack/W3/comps/engineer.edu.ru/stager/preview/journal.engineer.edu.ru/dhandler.msn:2
raw error






























no method 'call_from_dhandler' for component /share/defaults/db/forums/dhandler.msn [xds]

Trace begun at /usr/local/stack/lib/perl5/site_perl/5.8.5/HTML/Mason/Component.pm line 258
HTML::Mason::Component::call_method('HTML::Mason::Component::FileBased=HASH(0xa7820f0)', 'call_from_dhandler') called at /usr/local/stack/xware/XDS-2.0.0/lib/perl5/site_perl/5.8.5/XWare/Site/Lite.pm line 837
XWare::Site::Lite::run_root_dhandler_core('XWare::Site::MGTU=HASH(0x8c51108)', 'db/forums/34225.html') called at /usr/local/stack/xware/XDS-2.0.0/lib/perl5/site_perl/5.8.5/XWare/Site.pm line 513
XWare::Site::run_root_dhandler_core('XWare::Site::MGTU=HASH(0x8c51108)', 'db/forums/34225.html') called at /usr/local/stack/W3/comps/engineer.edu.ru/stager/preview/journal.engineer.edu.ru/dhandler.msn line 2
HTML::Mason::Commands::__ANON__ at /usr/local/stack/lib/perl5/site_perl/5.8.5/HTML/Mason/Component.pm line 136
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x947df00)') called at /usr/local/stack/lib/perl5/site_perl/5.8.5/HTML/Mason/Request.pm line 1069
eval {...} at /usr/local/stack/lib/perl5/site_perl/5.8.5/HTML/Mason/Request.pm line 1068
HTML::Mason::Request::comp(undef, undef, undef) called at /usr/local/stack/lib/perl5/site_perl/5.8.5/HTML/Mason/Request.pm line 338
eval {...} at /usr/local/stack/lib/perl5/site_perl/5.8.5/HTML/Mason/Request.pm line 338
eval {...} at /usr/local/stack/lib/perl5/site_perl/5.8.5/HTML/Mason/Request.pm line 297
HTML::Mason::Request::exec('HTML::Mason::Request::ApacheHandler=HASH(0x9f22a64)') called at /usr/local/stack/lib/perl5/site_perl/5.8.5/HTML/Mason/ApacheHandler.pm line 134
eval {...} at /usr/local/stack/lib/perl5/site_perl/5.8.5/HTML/Mason/ApacheHandler.pm line 134
HTML::Mason::Request::ApacheHandler::exec('HTML::Mason::Request::ApacheHandler=HASH(0x9f22a64)') called at /usr/local/stack/lib/perl5/site_perl/5.8.5/HTML/Mason/ApacheHandler.pm line 827
HTML::Mason::ApacheHandler::handle_request('HTML::Mason::ApacheHandler=HASH(0x8d32460)', 'Apache=SCALAR(0x9ea0784)') called at /usr/local/stack/xware/XDS-2.0.0/lib/perl5/site_perl/5.8.5/XWare/Site/Lite.pm line 846
XWare::Site::Lite::handle_apache_request('XWare::Site::MGTU=HASH(0x8c51108)', 'Apache=SCALAR(0x9ea0784)', 'HTML::Mason::ApacheHandler=HASH(0x8d32460)') called at /usr/local/stack/xware/XDS-2.0.0/lib/perl5/site_perl/5.8.5/XWare/Site/ApacheHandler.pm line 111
HTML::Mason::Commands::__ANON__ at /usr/local/stack/lib/perl5/site_perl/5.8.5/Error.pm line 379
eval {...} at /usr/local/stack/lib/perl5/site_perl/5.8.5/Error.pm line 371
Error::subs::try('CODE(0x8e4b4cc)', 'HASH(0x81d7c60)') called at /usr/local/stack/xware/XDS-2.0.0/lib/perl5/site_perl/5.8.5/XWare/Site/ApacheHandler.pm line 119
XWare::Site::ApacheHandler::handler('Apache=SCALAR(0x9ea0784)') called at /dev/null line 0
eval {...} at /dev/null line 0