System error

error:  Can't call method "year" on an undefined value at /import/sites/web-maurer/site-crypto/htdocs/publications/publication.mhtml line 67.
context: 
... 
63: 
64:  my $p = $publication;
65: 
66:  # Convert the month to a three-letter-version
67:  my $year = $p->year;
68:  my $date = "";
69:  if ($p->year && $p->month) {
70:  $date = $MONTH[$p->month-1]." ".$p->year;
71:  } elsif ($p->year) {
... 
code stack:  /import/sites/web-maurer/site-crypto/htdocs/publications/publication.mhtml:67
/import/sites/web-maurer/site-crypto/htdocs/publications/display.html:2
/import/sites/web-maurer/site-crypto/htdocs/publications/autohandler:20
/import/sites/web-maurer/site-crypto/htdocs/autohandler:67
raw error






























Can't call method "year" on an undefined value at /import/sites/web-maurer/site-crypto/htdocs/publications/publication.mhtml line 67.


Trace begun at /usr/share/perl5/vendor_perl/HTML/Mason/Exceptions.pm line 129
HTML::Mason::Exceptions::rethrow_exception('Can\'t call method "year" on an undefined value at /import/sites/web-maurer/site-crypto/htdocs/publications/publication.mhtml line 67.^J') called at /import/sites/web-maurer/site-crypto/htdocs/publications/publication.mhtml line 67
HTML::Mason::Commands::__ANON__('publication', undef) called at /usr/share/perl5/vendor_perl/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x7f9259e3cc20)', 'publication', undef) called at /usr/share/perl5/vendor_perl/HTML/Mason/Request.pm line 1284
eval {...} at /usr/share/perl5/vendor_perl/HTML/Mason/Request.pm line 1274
HTML::Mason::Request::comp(undef, undef, 'publication', undef) called at /import/sites/web-maurer/site-crypto/htdocs/publications/display.html line 2
HTML::Mason::Commands::__ANON__('label', 'ChReEk04.html', 'db', 'CryptoWeb::Storage::MySQL=HASH(0x7f9259e8ce80)') called at /usr/share/perl5/vendor_perl/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x7f9259e8ab20)', 'label', 'ChReEk04.html', 'db', 'CryptoWeb::Storage::MySQL=HASH(0x7f9259e8ce80)') called at /usr/share/perl5/vendor_perl/HTML/Mason/Request.pm line 1284
eval {...} at /usr/share/perl5/vendor_perl/HTML/Mason/Request.pm line 1274
HTML::Mason::Request::comp(undef, undef, undef, 'label', 'ChReEk04.html', 'db', 'CryptoWeb::Storage::MySQL=HASH(0x7f9259e8ce80)') called at /usr/share/perl5/vendor_perl/HTML/Mason/Request.pm line 943
HTML::Mason::Request::call_next('HTML::Mason::Request::ApacheHandler=HASH(0x7f9259e8af40)', 'db', 'CryptoWeb::Storage::MySQL=HASH(0x7f9259e8ce80)') called at /import/sites/web-maurer/site-crypto/htdocs/publications/autohandler line 20
HTML::Mason::Commands::__ANON__('label', 'ChReEk04.html') called at /usr/share/perl5/vendor_perl/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x7f9259e8ce50)', 'label', 'ChReEk04.html') called at /usr/share/perl5/vendor_perl/HTML/Mason/Request.pm line 1284
eval {...} at /usr/share/perl5/vendor_perl/HTML/Mason/Request.pm line 1274
HTML::Mason::Request::comp(undef, undef, undef, 'label', 'ChReEk04.html') called at /usr/share/perl5/vendor_perl/HTML/Mason/Request.pm line 943
HTML::Mason::Request::call_next('HTML::Mason::Request::ApacheHandler=HASH(0x7f9259e8af40)') called at /import/sites/web-maurer/site-crypto/htdocs/autohandler line 67
HTML::Mason::Commands::__ANON__('label', 'ChReEk04.html') called at /usr/share/perl5/vendor_perl/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x7f9259c695c0)', 'label', 'ChReEk04.html') called at /usr/share/perl5/vendor_perl/HTML/Mason/Request.pm line 1279
eval {...} at /usr/share/perl5/vendor_perl/HTML/Mason/Request.pm line 1274
HTML::Mason::Request::comp(undef, undef, undef, 'label', 'ChReEk04.html') called at /usr/share/perl5/vendor_perl/HTML/Mason/Request.pm line 473
eval {...} at /usr/share/perl5/vendor_perl/HTML/Mason/Request.pm line 473
eval {...} at /usr/share/perl5/vendor_perl/HTML/Mason/Request.pm line 425
HTML::Mason::Request::exec('HTML::Mason::Request::ApacheHandler=HASH(0x7f9259e8af40)') called at /usr/share/perl5/vendor_perl/HTML/Mason/ApacheHandler.pm line 168
HTML::Mason::Request::ApacheHandler::exec('HTML::Mason::Request::ApacheHandler=HASH(0x7f9259e8af40)') called at /usr/share/perl5/vendor_perl/HTML/Mason/ApacheHandler.pm line 825
HTML::Mason::ApacheHandler::handle_request('HTML::Mason::ApacheHandler=HASH(0x7f9259979b10)', 'Apache2::RequestRec=SCALAR(0x7f9259c31958)') called at (eval 36) line 8
HTML::Mason::ApacheHandler::handler('HTML::Mason::ApacheHandler', 'Apache2::RequestRec=SCALAR(0x7f9259c31958)') called at -e line 0
eval {...} at -e line 0