System error

error:  Can't call method "agon_id" on an undefined value at /pub/www/AudioAsylumTrader/ca/comps/ad_body line 55.
context: 
... 
51:  # my $agon_url = "https://cgi.audiogon.com/cgi-bin/fb.pl?user=";
52: 
53:  my $agon_url_start = "https://app.audiogon.com/users/";
54:  my $agon_url_end = "/feedbacks";
55:  my $agon_seller = $seller->agon_id;
56:  $agon_seller = lc($agon_seller);
57: 
58:  my $ebay_url= "https://feedback.ebay.com/ws/eBayISAPI.dll?ViewFeedback2&ftab=AllFeedback&userid=";
59:  my $seller_page = "https://cgi.audioasylum.com/cgi/mail.mpl?user_ID=";
... 
code stack:  /pub/www/AudioAsylumTrader/ca/comps/ad_body:55
/pub/www/AudioAsylumTrader/ca/ca.html:80
raw error






























Can't call method "agon_id" on an undefined value at /pub/www/AudioAsylumTrader/ca/comps/ad_body line 55.


Trace begun at /opt/local/lib/perl5/vendor_perl/5.28/HTML/Mason/Exceptions.pm line 125
HTML::Mason::Exceptions::rethrow_exception('Can\'t call method "agon_id" on an undefined value at /pub/www/AudioAsylumTrader/ca/comps/ad_body line 55.^J') called at /pub/www/AudioAsylumTrader/ca/comps/ad_body line 55
HTML::Mason::Commands::__ANON__('dbh', 'DBI::db=HASH(0x7fe14455a360)', 'ad', 'Trade::CA::Ad=HASH(0x7fe1445f6838)', 'ca_url', 'https://audioasylumtrader.com/ca/listing/Speakers-Floor-Standing/Sonus-Faber/Guarneri-Memento/-Graphite-Finish/204659') called at /opt/local/lib/perl5/vendor_perl/5.28/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x7fe143225b58)', 'dbh', 'DBI::db=HASH(0x7fe14455a360)', 'ad', 'Trade::CA::Ad=HASH(0x7fe1445f6838)', 'ca_url', 'https://audioasylumtrader.com/ca/listing/Speakers-Floor-Standing/Sonus-Faber/Guarneri-Memento/-Graphite-Finish/204659') called at /opt/local/lib/perl5/vendor_perl/5.28/HTML/Mason/Request.pm line 1302
eval {...} at /opt/local/lib/perl5/vendor_perl/5.28/HTML/Mason/Request.pm line 1292
HTML::Mason::Request::comp(undef, undef, 'dbh', 'DBI::db=HASH(0x7fe14455a360)', 'ad', 'Trade::CA::Ad=HASH(0x7fe1445f6838)', 'ca_url', 'https://audioasylumtrader.com/ca/listing/Speakers-Floor-Standing/Sonus-Faber/Guarneri-Memento/-Graphite-Finish/204659') called at /pub/www/AudioAsylumTrader/ca/ca.html line 80
HTML::Mason::Commands::__ANON__('ca', 204659) called at /opt/local/lib/perl5/vendor_perl/5.28/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x7fe14305f648)', 'ca', 204659) called at /opt/local/lib/perl5/vendor_perl/5.28/HTML/Mason/Request.pm line 1300
eval {...} at /opt/local/lib/perl5/vendor_perl/5.28/HTML/Mason/Request.pm line 1292
HTML::Mason::Request::comp(undef, undef, undef, 'ca', 204659) called at /opt/local/lib/perl5/vendor_perl/5.28/HTML/Mason/Request.pm line 481
eval {...} at /opt/local/lib/perl5/vendor_perl/5.28/HTML/Mason/Request.pm line 481
eval {...} at /opt/local/lib/perl5/vendor_perl/5.28/HTML/Mason/Request.pm line 433
HTML::Mason::Request::exec('HTML::Mason::Request::ApacheHandler=HASH(0x7fe1447130f0)') called at /opt/local/lib/perl5/vendor_perl/5.28/HTML/Mason/ApacheHandler.pm line 168
HTML::Mason::Request::ApacheHandler::exec('HTML::Mason::Request::ApacheHandler=HASH(0x7fe1447130f0)') called at /opt/local/lib/perl5/vendor_perl/5.28/HTML/Mason/ApacheHandler.pm line 825
HTML::Mason::ApacheHandler::handle_request('HTML::Mason::ApacheHandler=HASH(0x7fe142fbf220)', 'Apache2::RequestRec=SCALAR(0x7fe144605d68)') called at (eval 26) line 8
HTML::Mason::ApacheHandler::handler('HTML::Mason::ApacheHandler', 'Apache2::RequestRec=SCALAR(0x7fe144605d68)') called at -e line 0
eval {...} at -e line 0