System error

error:  Can't call method "content" on an undefined value at /opt/app/tradeindia/cw/modules/Website.pm line 221.
context: 
... 
217:  my $ua = My::UserAgent->new;
218:  my $url = &get_backend() . '/component/rest/customized_sites/get_profile.html';
219:  my $res = $ua->post( $url,\%args);
220:  my $response;
221:  $response = $res->content();
222:  if (! $res->is_success) {
223:  die $response;
224:  }
225:  my $json_encoded = $response;
... 
code stack:  /opt/app/tradeindia/cw/modules/Website.pm:221
/var/www/cw/sinhaconveyor.com/global.html:3
/var/www/cw/sinhaconveyor.com/autohandler.html:4
/opt/app/tradeindia/cw/components/syshandler.html:79
raw error






























Can't call method "content" on an undefined value at /opt/app/tradeindia/cw/modules/Website.pm line 221.


Trace begun at /usr/share/perl5/HTML/Mason/Exceptions.pm line 129
HTML::Mason::Exceptions::rethrow_exception('Can\'t call method "content" on an undefined value at /opt/app/tradeindia/cw/modules/Website.pm line 221.^J') called at /opt/app/tradeindia/cw/modules/Website.pm line 221
Website::get_profile('Website=HASH(0x7f046431b4a0)') called at /var/www/cw/sinhaconveyor.com/global.html line 3
HTML::Mason::Commands::__ANON__ at /usr/share/perl5/HTML/Mason/Component.pm line 138
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x7f046431b800)') called at /usr/share/perl5/HTML/Mason/Request.pm line 1305
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 1295
HTML::Mason::Request::comp(undef, undef) called at /var/www/cw/sinhaconveyor.com/autohandler.html line 4
HTML::Mason::Commands::__ANON__('fn', 'idler-rollers', 'product_id', 5233723) called at /usr/share/perl5/HTML/Mason/Component.pm line 138
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x7f04642ea700)', 'fn', 'idler-rollers', 'product_id', 5233723) called at /usr/share/perl5/HTML/Mason/Request.pm line 1305
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 1295
HTML::Mason::Request::comp(undef, undef, undef, 'fn', 'idler-rollers', 'product_id', 5233723) called at /usr/share/perl5/HTML/Mason/Request.pm line 958
HTML::Mason::Request::call_next('HTML::Mason::Request::ApacheHandler=HASH(0x7f04642e6ca0)') called at /opt/app/tradeindia/cw/components/syshandler.html line 79
HTML::Mason::Commands::__ANON__('fn', 'idler-rollers', 'product_id', 5233723) called at /usr/share/perl5/HTML/Mason/Component.pm line 138
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x7f046436a0d8)', 'fn', 'idler-rollers', 'product_id', 5233723) called at /usr/share/perl5/HTML/Mason/Request.pm line 1303
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 1295
HTML::Mason::Request::comp(undef, undef, undef, 'fn', 'idler-rollers', 'product_id', 5233723) called at /usr/share/perl5/HTML/Mason/Request.pm line 484
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 484
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 436
HTML::Mason::Request::exec('HTML::Mason::Request::ApacheHandler=HASH(0x7f04642e6ca0)') called at /usr/share/perl5/HTML/Mason/ApacheHandler.pm line 165
HTML::Mason::Request::ApacheHandler::exec('HTML::Mason::Request::ApacheHandler=HASH(0x7f04642e6ca0)') called at /usr/share/perl5/HTML/Mason/ApacheHandler.pm line 831
HTML::Mason::ApacheHandler::handle_request('HTML::Mason::ApacheHandler=HASH(0x7f04642d7960)', 'Apache2::RequestRec=SCALAR(0x7f0463c227f0)') called at /opt/app/tradeindia/cw/modules/B2B/Handler/CW.pm line 88
eval {...} at /opt/app/tradeindia/cw/modules/B2B/Handler/CW.pm line 87
B2B::Handler::CW::handler('Apache2::RequestRec=SCALAR(0x7f0463c227f0)') called at -e line 0
eval {...} at -e line 0