System error

error:  Can't call method "abstract" on an undefined value at /import/sites/web-maurer/site-crypto/htdocs/publications/abstract.html line 48.
context: 
... 
44:  my @abs_pars;
45: 
46:  if ($db) {
47:  $p = $db->find("CryptoWeb::PubDB::Publication", label => $label);
48:  @abs_pars = split /\n\n/, $p->abstract;
49:  }
50:  </%init>
51: 
code stack:  /import/sites/web-maurer/site-crypto/htdocs/publications/abstract.html:48
/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 "abstract" on an undefined value at /import/sites/web-maurer/site-crypto/htdocs/publications/abstract.html line 48.


Trace begun at /usr/share/perl5/vendor_perl/HTML/Mason/Exceptions.pm line 129
HTML::Mason::Exceptions::rethrow_exception('Can\'t call method "abstract" on an undefined value at /import/sites/web-maurer/site-crypto/htdocs/publications/abstract.html line 48.^J') called at /import/sites/web-maurer/site-crypto/htdocs/publications/abstract.html line 48
HTML::Mason::Commands::__ANON__('label', 'PMMRT15', 'db', 'CryptoWeb::Storage::MySQL=HASH(0x7fb597e05128)') called at /usr/share/perl5/vendor_perl/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x7fb596a5c0f8)', 'label', 'PMMRT15', 'db', 'CryptoWeb::Storage::MySQL=HASH(0x7fb597e05128)') 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', 'PMMRT15', 'db', 'CryptoWeb::Storage::MySQL=HASH(0x7fb597e05128)') called at /usr/share/perl5/vendor_perl/HTML/Mason/Request.pm line 943
HTML::Mason::Request::call_next('HTML::Mason::Request::ApacheHandler=HASH(0x7fb597d5b998)', 'db', 'CryptoWeb::Storage::MySQL=HASH(0x7fb597e05128)') called at /import/sites/web-maurer/site-crypto/htdocs/publications/autohandler line 20
HTML::Mason::Commands::__ANON__('label', 'PMMRT15') called at /usr/share/perl5/vendor_perl/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x7fb597163a68)', 'label', 'PMMRT15') 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', 'PMMRT15') called at /usr/share/perl5/vendor_perl/HTML/Mason/Request.pm line 943
HTML::Mason::Request::call_next('HTML::Mason::Request::ApacheHandler=HASH(0x7fb597d5b998)') called at /import/sites/web-maurer/site-crypto/htdocs/autohandler line 67
HTML::Mason::Commands::__ANON__('label', 'PMMRT15') called at /usr/share/perl5/vendor_perl/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x7fb596ee2b78)', 'label', 'PMMRT15') 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', 'PMMRT15') 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(0x7fb597d5b998)') called at /usr/share/perl5/vendor_perl/HTML/Mason/ApacheHandler.pm line 168
HTML::Mason::Request::ApacheHandler::exec('HTML::Mason::Request::ApacheHandler=HASH(0x7fb597d5b998)') called at /usr/share/perl5/vendor_perl/HTML/Mason/ApacheHandler.pm line 825
HTML::Mason::ApacheHandler::handle_request('HTML::Mason::ApacheHandler=HASH(0x7fb596d40f90)', 'Apache2::RequestRec=SCALAR(0x7fb597e27d58)') called at (eval 38) line 8
HTML::Mason::ApacheHandler::handler('HTML::Mason::ApacheHandler', 'Apache2::RequestRec=SCALAR(0x7fb597e27d58)') called at -e line 0
eval {...} at -e line 0