System error

error:  Can't call method "rows" on an undefined value at /var/www/html/www.sechang.com/search/name/index.xhtml line 39.
context: 
... 
35: 
36:  my ($pdnm_k,$pdnm_e) = ("계측기","Instruments");
37:  if ($pdnm) {
38:  my $sth_tt = &execsql("select product_name_k,product_name,class_e from sechang.product_name where row_id = $pdnm",__FILE__,__LINE__);
39:  ($pdnm_k,$pdnm_e,$ctg) = &process_utf8_values($sth_tt->fetchrow) if($sth_tt->rows);
40:  } else {
41:  $m->print("변수값이 입력되지 않아 중단합니다.");
42:  $m->abort();
43:  }
... 
code stack:  /var/www/html/www.sechang.com/search/name/index.xhtml:39
/usr/share/perl5/HTML/Mason/Request.pm:944
/var/mason/www.sechang.com/obj/708173099/search/name/index.xhtml.obj:8
/var/www/html/www.sechang.com/autohandler:136
/usr/share/perl5/HTML/Mason/Request.pm:948
/var/mason/www.sechang.com/obj/708173099/autohandler.obj:75
/var/www/html/www.sechang.com/autohandler:75
/usr/share/perl5/HTML/Mason/Request.pm:948
/var/mason/www.sechang.com/obj/708173099/autohandler.obj:8
/var/www/html/www.sechang.com/autohandler:53
/usr/share/perl5/HTML/Mason/Request.pm:948
/var/mason/www.sechang.com/obj/708173099/autohandler.obj:91
raw error






























Can't call method "rows" on an undefined value at /var/www/html/www.sechang.com/search/name/index.xhtml line 39.


Trace begun at /usr/share/perl5/HTML/Mason/Exceptions.pm line 125
HTML::Mason::Exceptions::rethrow_exception('Can\'t call method "rows" on an undefined value at /var/www/html/www.sechang.com/search/name/index.xhtml line 39.^J') called at /var/www/html/www.sechang.com/search/name/index.xhtml line 39
HTML::Mason::Commands::__ANON__ at /usr/share/perl5/HTML/Mason/Component.pm line 146
HTML::Mason::Component::dynamic_subs_init('HTML::Mason::Component::FileBased=HASH(0x557837f79088)') called at /usr/share/perl5/HTML/Mason/Request.pm line 944
HTML::Mason::Request::call_dynamic('HTML::Mason::Request::ApacheHandler=HASH(0x5578388ef9a8)', 'method_meta_tag') called at /var/mason/www.sechang.com/obj/708173099/search/name/index.xhtml.obj line 8
HTML::Mason::Commands::__ANON__ at /usr/share/perl5/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::Subcomponent=HASH(0x557837cc7c10)') called at /usr/share/perl5/HTML/Mason/Request.pm line 1302
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 1292
HTML::Mason::Request::comp(undef, undef) called at /var/www/html/www.sechang.com/autohandler line 136
HTML::Mason::Commands::__ANON__ at /usr/share/perl5/HTML/Mason/Component.pm line 157
HTML::Mason::Component::run_dynamic_sub('HTML::Mason::Component::FileBased=HASH(0x55783831e298)', 'method_head') called at /usr/share/perl5/HTML/Mason/Request.pm line 948
HTML::Mason::Request::call_dynamic('HTML::Mason::Request::ApacheHandler=HASH(0x5578388ef9a8)', 'method_head') called at /var/mason/www.sechang.com/obj/708173099/autohandler.obj line 75
HTML::Mason::Commands::__ANON__ at /usr/share/perl5/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::Subcomponent=HASH(0x557838314db8)') called at /usr/share/perl5/HTML/Mason/Request.pm line 1302
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 1292
HTML::Mason::Request::comp(undef, undef) called at /var/www/html/www.sechang.com/autohandler line 75
HTML::Mason::Commands::__ANON__ at /usr/share/perl5/HTML/Mason/Component.pm line 157
HTML::Mason::Component::run_dynamic_sub('HTML::Mason::Component::FileBased=HASH(0x55783831e298)', 'subcomponent_.auto') called at /usr/share/perl5/HTML/Mason/Request.pm line 948
HTML::Mason::Request::call_dynamic('HTML::Mason::Request::ApacheHandler=HASH(0x5578388ef9a8)', 'subcomponent_.auto') called at /var/mason/www.sechang.com/obj/708173099/autohandler.obj line 8
HTML::Mason::Commands::__ANON__ at /usr/share/perl5/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::Subcomponent=HASH(0x55783826c328)') called at /usr/share/perl5/HTML/Mason/Request.pm line 1302
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 1292
HTML::Mason::Request::comp(undef, undef) called at /var/www/html/www.sechang.com/autohandler line 53
HTML::Mason::Commands::__ANON__('pdnm', 423) called at /usr/share/perl5/HTML/Mason/Component.pm line 157
HTML::Mason::Component::run_dynamic_sub('HTML::Mason::Component::FileBased=HASH(0x55783831e298)', 'main', 'pdnm', 423) called at /usr/share/perl5/HTML/Mason/Request.pm line 948
HTML::Mason::Request::call_dynamic('HTML::Mason::Request::ApacheHandler=HASH(0x5578388ef9a8)', 'main', 'pdnm', 423) called at /var/mason/www.sechang.com/obj/708173099/autohandler.obj line 91
HTML::Mason::Commands::__ANON__('pdnm', 423) called at /usr/share/perl5/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x55783831e298)', 'pdnm', 423) called at /usr/share/perl5/HTML/Mason/Request.pm line 1300
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 1292
HTML::Mason::Request::comp(undef, undef, undef, 'pdnm', 423) called at /usr/share/perl5/HTML/Mason/Request.pm line 481
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 481
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 433
HTML::Mason::Request::exec('HTML::Mason::Request::ApacheHandler=HASH(0x5578388ef9a8)') called at /usr/share/perl5/HTML/Mason/ApacheHandler.pm line 165
HTML::Mason::Request::ApacheHandler::exec('HTML::Mason::Request::ApacheHandler=HASH(0x5578388ef9a8)') called at /usr/share/perl5/HTML/Mason/ApacheHandler.pm line 831
HTML::Mason::ApacheHandler::handle_request('HTML::Mason::ApacheHandler=HASH(0x5578379e4880)', 'Apache2::RequestRec=SCALAR(0x557837f8a348)') called at (eval 23) line 8
HTML::Mason::ApacheHandler::handler('HTML::Mason::ApacheHandler', 'Apache2::RequestRec=SCALAR(0x557837f8a348)') called at -e line 0
eval {...} at -e line 0