System error

error:  malformed JSON string, neither tag, array, object, number, string or atom, at character offset 0 (before "(end of string)") at /usr/share/perl5/JSON.pm line 190.
context: 
... 
186:  $json->$method( $opt->{$method} );
187:  }
188:  }
189: 
190:  return $json->decode( $_[0] );
191:  }
192: 
193: 
194: 
... 
code stack:  /usr/share/perl5/JSON.pm:190
/usr/share/perl5/JSON.pm:142
/var/www/html/sitemap.html:18
/usr/local/share/perl/5.34.0/HTML/Mason/Component.pm:135
/var/www/html/autohandler:82
/usr/local/share/perl/5.34.0/HTML/Mason/Component.pm:135
raw error






























malformed JSON string, neither tag, array, object, number, string or atom, at character offset 0 (before "(end of string)") at /usr/share/perl5/JSON.pm line 190.


Trace begun at /usr/local/share/perl/5.34.0/HTML/Mason/Exceptions.pm line 125
HTML::Mason::Exceptions::rethrow_exception('malformed JSON string, neither tag, array, object, number, string or atom, at character offset 0 (before "(end of string)") at /usr/share/perl5/JSON.pm line 190.^J') called at /usr/share/perl5/JSON.pm line 190
JSON::from_json(undef) called at /usr/share/perl5/JSON.pm line 142
JSON::jsonToObj('JSON=SCALAR(0x7fbdb42ae088)', undef) called at /var/www/html/sitemap.html line 18
DNALC::Mason::dnalc_docker02_cshl_edu::__ANON__ at /usr/local/share/perl/5.34.0/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x7fbde80357e8)') called at /usr/local/share/perl/5.34.0/HTML/Mason/Request.pm line 1302
eval {...} at /usr/local/share/perl/5.34.0/HTML/Mason/Request.pm line 1292
HTML::Mason::Request::comp(undef, undef, undef) called at /usr/local/share/perl/5.34.0/HTML/Mason/Request.pm line 955
HTML::Mason::Request::call_next('MasonX::Request::WithApacheSession=HASH(0x7fbdd005fd58)') called at /var/www/html/autohandler line 82
DNALC::Mason::dnalc_docker02_cshl_edu::__ANON__ at /usr/local/share/perl/5.34.0/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x7fbe003ed9b8)') called at /usr/local/share/perl/5.34.0/HTML/Mason/Request.pm line 1300
eval {...} at /usr/local/share/perl/5.34.0/HTML/Mason/Request.pm line 1292
HTML::Mason::Request::comp(undef, undef, undef) called at /usr/local/share/perl/5.34.0/HTML/Mason/Request.pm line 481
eval {...} at /usr/local/share/perl/5.34.0/HTML/Mason/Request.pm line 481
eval {...} at /usr/local/share/perl/5.34.0/HTML/Mason/Request.pm line 433
HTML::Mason::Request::exec('MasonX::Request::WithApacheSession=HASH(0x7fbdd005fd58)') called at /usr/local/share/perl/5.34.0/HTML/Mason/ApacheHandler.pm line 168
HTML::Mason::Request::ApacheHandler::exec('MasonX::Request::WithApacheSession=HASH(0x7fbdd005fd58)') called at /usr/local/share/perl/5.34.0/MasonX/Request/WithApacheSession.pm line 130
MasonX::Request::WithApacheSession::exec('MasonX::Request::WithApacheSession=HASH(0x7fbdd005fd58)') called at /usr/local/share/perl/5.34.0/HTML/Mason/ApacheHandler.pm line 825
HTML::Mason::ApacheHandler::handle_request('DNALC::Mason::ApacheHandler=HASH(0x556b11b8d9c8)', 'Apache2::Request=SCALAR(0x7fbdc4147d98)') called at /etc/apache2/mason.pl line 134
DNALC::Mason::handler('Apache2::RequestRec=SCALAR(0x7fbde80fed70)') called at -e line 0
eval {...} at -e line 0