System error

error:

no value sent for required parameter 'city'

context:

...
16:	}
17:
18:	foreach my $arg ( qw( city ) )
19:	{
20:	HTML::Mason::Exception::Params->throw
21:	( error => "no value sent for required parameter '$arg'" )
22:	unless exists $pos{$arg};
23:	}
24:	#line 5 /home/www/htdocs/production/mojam/concerts/city
...

code stack:

/home/www/mason/production/obj/276677478/main/mojam/concerts/city.obj:20
/usr/lib/perl5/site_perl/5.8.5/HTML/Mason/Component.pm:135
/usr/lib/perl5/site_perl/5.8.5/HTML/Mason/Request.pm:1251
/usr/lib/perl5/site_perl/5.8.5/HTML/Mason/Request.pm:1246
/usr/lib/perl5/site_perl/5.8.5/HTML/Mason/Request.pm:460
/usr/lib/perl5/site_perl/5.8.5/HTML/Mason/Request.pm:460
/usr/lib/perl5/site_perl/5.8.5/HTML/Mason/Request.pm:412
/usr/lib/perl5/site_perl/5.8.5/HTML/Mason/ApacheHandler.pm:168
/usr/lib/perl5/site_perl/5.8.5/MasonX/Request/WithApacheSession.pm:130
/usr/lib/perl5/site_perl/5.8.5/HTML/Mason/ApacheHandler.pm:826
(eval 35):8
/dev/null:0
/dev/null:0

raw error

no value sent for required parameter 'city'

Trace begun at /home/www/mason/production/obj/276677478/main/mojam/concerts/city.obj line 20
HTML::Mason::Commands::__ANON__ at /usr/lib/perl5/site_perl/5.8.5/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0xa97fe18)') called at /usr/lib/perl5/site_perl/5.8.5/HTML/Mason/Request.pm line 1251
eval {...} at /usr/lib/perl5/site_perl/5.8.5/HTML/Mason/Request.pm line 1246
HTML::Mason::Request::comp(undef, undef, undef) called at /usr/lib/perl5/site_perl/5.8.5/HTML/Mason/Request.pm line 460
eval {...} at /usr/lib/perl5/site_perl/5.8.5/HTML/Mason/Request.pm line 460
eval {...} at /usr/lib/perl5/site_perl/5.8.5/HTML/Mason/Request.pm line 412
HTML::Mason::Request::exec('MasonX::Request::WithApacheSession=HASH(0xb003700)') called at /usr/lib/perl5/site_perl/5.8.5/HTML/Mason/ApacheHandler.pm line 168
HTML::Mason::Request::ApacheHandler::exec('MasonX::Request::WithApacheSession=HASH(0xb003700)') called at /usr/lib/perl5/site_perl/5.8.5/MasonX/Request/WithApacheSession.pm line 130
MasonX::Request::WithApacheSession::exec('MasonX::Request::WithApacheSession=HASH(0xb003700)') called at /usr/lib/perl5/site_perl/5.8.5/HTML/Mason/ApacheHandler.pm line 826
HTML::Mason::ApacheHandler::handle_request('HTML::Mason::ApacheHandler=HASH(0x9d93240)', 'Apache=SCALAR(0xb02caa0)') called at (eval 35) line 8
HTML::Mason::ApacheHandler::handler('HTML::Mason::ApacheHandler', 'Apache=SCALAR(0xb02caa0)') called at /dev/null line 0
eval {...} at /dev/null line 0