System error

error:  Can't use an undefined value as an ARRAY reference at /usr/local/apache/htdocs/mason/compsG/EventResultsTrackMulti line 87.
context: 
... 
83:  % }
84:  <%init>
85:  my ($event) = grep {$event_hnd == $_->{event_hnd}} @{$meet_results->{events}};
86: 
87:  my $subs = scalar @{$event->{sub_events}};
88:  my @rounds = reverse sort keys %{$results->{rounds}};
89: 
90:  my $cache = Getter->get();
91:  </%init>
... 
code stack:  /usr/local/apache/htdocs/mason/compsG/EventResultsTrackMulti:87
/usr/local/apache/htdocs/mason/DirectAthletics/event_results.html:50
/usr/local/lib/perl5/site_perl/5.8.7/HTML/Mason/Request.pm:808
/usr/local/apache/htdocs/mason/DirectAthletics/event_results.html:68
/usr/local/apache/htdocs/mason/DirectAthletics/results/dhandler:14
/usr/local/apache/htdocs/mason/DirectAthletics/autohandler:61
raw error






























Can't use an undefined value as an ARRAY reference at /usr/local/apache/htdocs/mason/compsG/EventResultsTrackMulti line 87.


Trace begun at /usr/local/lib/perl5/site_perl/5.8.7/HTML/Mason/Exceptions.pm line 129
HTML::Mason::Exceptions::rethrow_exception('Can\'t use an undefined value as an ARRAY reference at /usr/local/apache/htdocs/mason/compsG/EventResultsTrackMulti line 87.^J') called at /usr/local/apache/htdocs/mason/compsG/EventResultsTrackMulti line 87
HTML::Mason::Commands::__ANON__('error_message', '', 'event_hnd', 492538, 'meet_hnd', 7876, 'sport', 'track', 'results', 'HASH(0xc105da4)', 'meet', 'HASH(0xc1053f0)', 'meet_results', 'HASH(0xc0fe1e0)', 'athlete_hnd', undef, 'team_hnd', undef) called at /usr/local/lib/perl5/site_perl/5.8.7/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0xc1d61e4)', 'error_message', '', 'event_hnd', 492538, 'meet_hnd', 7876, 'sport', 'track', 'results', 'HASH(0xc105da4)', 'meet', 'HASH(0xc1053f0)', 'meet_results', 'HASH(0xc0fe1e0)', 'athlete_hnd', undef, 'team_hnd', undef) called at /usr/local/lib/perl5/site_perl/5.8.7/HTML/Mason/Request.pm line 1256
eval {...} at /usr/local/lib/perl5/site_perl/5.8.7/HTML/Mason/Request.pm line 1246
HTML::Mason::Request::comp(undef, undef, 'error_message', '', 'event_hnd', 492538, 'meet_hnd', 7876, 'sport', 'track', 'results', 'HASH(0xc105da4)', 'meet', 'HASH(0xc1053f0)', 'meet_results', 'HASH(0xc0fe1e0)', 'athlete_hnd', undef, 'team_hnd', undef) called at /usr/local/apache/htdocs/mason/DirectAthletics/event_results.html line 50
HTML::Mason::Commands::__ANON__('sport', 'track', 'meet_hnd', 7876, 'event_hnd', 492538, 'error_message', '') called at /usr/local/lib/perl5/site_perl/5.8.7/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0xc08a0f8)', 'sport', 'track', 'meet_hnd', 7876, 'event_hnd', 492538, 'error_message', '') called at /usr/local/lib/perl5/site_perl/5.8.7/HTML/Mason/Request.pm line 879
eval {...} at /usr/local/lib/perl5/site_perl/5.8.7/HTML/Mason/Request.pm line 878
HTML::Mason::Request::call_self('HTML::Mason::Request::ApacheHandler=HASH(0x9bef848)', 'SCALAR(0x9d04028)', 'ARRAY(0x9d04058)', 'SCALAR(0x9d04040)', 'CACHE_SELF') called at /usr/local/lib/perl5/site_perl/5.8.7/HTML/Mason/Request.pm line 808
HTML::Mason::Request::cache_self('HTML::Mason::Request::ApacheHandler=HASH(0x9bef848)', 'key', 'track_7876_492538__', 'expires_in', '24 hours', 'busy_lock', '30 sec') called at /usr/local/apache/htdocs/mason/DirectAthletics/event_results.html line 68
HTML::Mason::Commands::__ANON__('sport', 'track', 'meet_hnd', 7876, 'event_hnd', 492538, 'error_message', '') called at /usr/local/lib/perl5/site_perl/5.8.7/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0xc08a0f8)', 'sport', 'track', 'meet_hnd', 7876, 'event_hnd', 492538, 'error_message', '') called at /usr/local/lib/perl5/site_perl/5.8.7/HTML/Mason/Request.pm line 1256
eval {...} at /usr/local/lib/perl5/site_perl/5.8.7/HTML/Mason/Request.pm line 1246
HTML::Mason::Request::comp(undef, undef, 'sport', 'track', 'meet_hnd', 7876, 'event_hnd', 492538, 'error_message', '') called at /usr/local/apache/htdocs/mason/DirectAthletics/results/dhandler line 14
HTML::Mason::Commands::__ANON__('error_message', '') called at /usr/local/lib/perl5/site_perl/5.8.7/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x9befcec)', 'error_message', '') called at /usr/local/lib/perl5/site_perl/5.8.7/HTML/Mason/Request.pm line 1256
eval {...} at /usr/local/lib/perl5/site_perl/5.8.7/HTML/Mason/Request.pm line 1246
HTML::Mason::Request::comp(undef, undef, undef, 'error_message', '') called at /usr/local/lib/perl5/site_perl/5.8.7/HTML/Mason/Request.pm line 915
HTML::Mason::Request::call_next('HTML::Mason::Request::ApacheHandler=HASH(0x9bef848)', 'error_message', '') called at /usr/local/apache/htdocs/mason/DirectAthletics/autohandler line 61
HTML::Mason::Commands::__ANON__ at /usr/local/lib/perl5/site_perl/5.8.7/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0xc0294fc)') called at /usr/local/lib/perl5/site_perl/5.8.7/HTML/Mason/Request.pm line 1251
eval {...} at /usr/local/lib/perl5/site_perl/5.8.7/HTML/Mason/Request.pm line 1246
HTML::Mason::Request::comp(undef, undef, undef) called at /usr/local/lib/perl5/site_perl/5.8.7/HTML/Mason/Request.pm line 460
eval {...} at /usr/local/lib/perl5/site_perl/5.8.7/HTML/Mason/Request.pm line 460
eval {...} at /usr/local/lib/perl5/site_perl/5.8.7/HTML/Mason/Request.pm line 412
HTML::Mason::Request::exec('HTML::Mason::Request::ApacheHandler=HASH(0x9bef848)') called at /usr/local/lib/perl5/site_perl/5.8.7/HTML/Mason/ApacheHandler.pm line 168
HTML::Mason::Request::ApacheHandler::exec('HTML::Mason::Request::ApacheHandler=HASH(0x9bef848)') called at /usr/local/lib/perl5/site_perl/5.8.7/HTML/Mason/ApacheHandler.pm line 826
HTML::Mason::ApacheHandler::handle_request('HTML::Mason::ApacheHandler=HASH(0x9bee228)', 'Apache=SCALAR(0x9bb7c78)') called at (eval 62) line 8
HTML::Mason::ApacheHandler::handler('HTML::Mason::ApacheHandler', 'Apache=SCALAR(0x9bb7c78)') called at /dev/null line 0
eval {...} at /dev/null line 0