System error

error:  Can't call method "get_defline" on an undefined value at /home/htdocs/www/gr/sequences.mc line 41.
context: 
... 
37:  %# transcript
38: 
39:  <tr>
40:  % my $ts = $g->fetch_transcript_sequence();
41:  <& /tools/seq_layout.mc,hdr => $ts->get_defline(),
42:  s => $ts->get_sequence(),
43:  width => $width,
44:  orfs => $g->get_sequence_type eq 'genomic' ? $ts->get_local_orf() : $g->get_orf(),
45:  splice => $g->get_sequence_type eq 'genomic' ? $ts->get_splice_model_with_utr(): [],
... 
code stack:  /home/htdocs/www/gr/sequences.mc:41
/home/htdocs/www/gene_record.html:37
/home/htdocs/www/autohandler:138
raw error






























Can't call method "get_defline" on an undefined value at /home/htdocs/www/gr/sequences.mc line 41.


Trace begun at /usr/lib/perl5/site_perl/5.8.5/HTML/Mason/Exceptions.pm line 129
HTML::Mason::Exceptions::rethrow_exception('Can\'t call method "get_defline" on an undefined value at /home/htdocs/www/gr/sequences.mc line 41.^J') called at /home/htdocs/www/gr/sequences.mc line 41
HTML::Mason::Commands::__ANON__('g', 'ChromDB::Protein=SCALAR(0x1b772228)') called at /usr/lib/perl5/site_perl/5.8.5/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x95facc0)', 'g', 'ChromDB::Protein=SCALAR(0x1b772228)') called at /usr/lib/perl5/site_perl/5.8.5/HTML/Mason/Request.pm line 1256
eval {...} at /usr/lib/perl5/site_perl/5.8.5/HTML/Mason/Request.pm line 1246
HTML::Mason::Request::comp(undef, undef, 'g', 'ChromDB::Protein=SCALAR(0x1b772228)') called at /home/htdocs/www/gene_record.html line 37
HTML::Mason::Commands::__ANON__('p', 'sequences', 'g', 40749) called at /usr/lib/perl5/site_perl/5.8.5/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x94bf120)', 'p', 'sequences', 'g', 40749) called at /usr/lib/perl5/site_perl/5.8.5/HTML/Mason/Request.pm line 1256
eval {...} at /usr/lib/perl5/site_perl/5.8.5/HTML/Mason/Request.pm line 1246
HTML::Mason::Request::comp(undef, undef, undef, 'p', 'sequences', 'g', 40749) called at /usr/lib/perl5/site_perl/5.8.5/HTML/Mason/Request.pm line 915
HTML::Mason::Request::call_next('HTML::Mason::Request::ApacheHandler=HASH(0xff7a884)') called at /home/htdocs/www/autohandler line 138
HTML::Mason::Commands::__ANON__('p', 'sequences', 'g', 40749) called at /usr/lib/perl5/site_perl/5.8.5/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x8bbf170)', 'p', 'sequences', 'g', 40749) called at /usr/lib/perl5/site_perl/5.8.5/HTML/Mason/Request.pm line 1251
eval {...} at /usr/lib/perl5/site_perl/5.8.5/HTML/Mason/Request.pm line 1246
HTML::Mason::Request::comp(undef, undef, undef, 'p', 'sequences', 'g', 40749) called at /usr/lib/perl5/site_perl/5.8.5/HTML/Mason/Request.pm line 460
eval {...} at /usr/lib/perl5/site_perl/5.8.5/HTML/Mason/Request.pm line 460
eval {...} at /usr/lib/perl5/site_perl/5.8.5/HTML/Mason/Request.pm line 412
HTML::Mason::Request::exec('HTML::Mason::Request::ApacheHandler=HASH(0xff7a884)') called at /usr/lib/perl5/site_perl/5.8.5/CompatibleApacheHandler.pm line 168
HTML::Mason::Request::ApacheHandler::exec('HTML::Mason::Request::ApacheHandler=HASH(0xff7a884)') called at /usr/lib/perl5/site_perl/5.8.5/CompatibleApacheHandler.pm line 827
HTML::Mason::ApacheHandler::handle_request('HTML::Mason::ApacheHandler=HASH(0x94b89f4)', 'Apache::RequestRec=SCALAR(0xff4b098)') called at (eval 35) line 8
HTML::Mason::ApacheHandler::handler('HTML::Mason::ApacheHandler', 'Apache::RequestRec=SCALAR(0xff4b098)') called at -e line 0
eval {...} at -e line 0