System error

error:  Can't call method "list_childs" on an undefined value at /home/omskzdes/omskzdes/sources/comps/www/dhandler line 42.
context: 
... 
38:  my $current_section;
39: 
40:  my @childs;
41:  foreach ( qw(menu sections) ) {
42:  push(@childs, @{ $CONTENT->get_section_by_alias($_)->list_childs( status => 1 ) } );
43:  }
44: 
45:  my @unknown_parts = @parts;
46:  foreach my $uri ( @parts ) {
... 
code stack:  /home/omskzdes/omskzdes/sources/comps/www/dhandler:42
/home/omskzdes/omskzdes/sources/comps/www/autohandler:1
raw error






























Can't call method "list_childs" on an undefined value at /home/omskzdes/omskzdes/sources/comps/www/dhandler line 42.


Trace begun at /usr/local/share/perl/5.32.1/HTML/Mason/Exceptions.pm line 125
HTML::Mason::Exceptions::rethrow_exception('Can\'t call method "list_childs" on an undefined value at /home/omskzdes/omskzdes/sources/comps/www/dhandler line 42.^J') called at /home/omskzdes/omskzdes/sources/comps/www/dhandler line 42
HTML::Mason::Commands::__ANON__ at /usr/local/share/perl/5.32.1/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x55984fabd328)') called at /usr/local/share/perl/5.32.1/HTML/Mason/Request.pm line 1302
eval {...} at /usr/local/share/perl/5.32.1/HTML/Mason/Request.pm line 1292
HTML::Mason::Request::comp(undef, undef) called at /home/omskzdes/omskzdes/sources/comps/www/autohandler line 1
HTML::Mason::Commands::__ANON__ at /usr/local/share/perl/5.32.1/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x55984da70028)') called at /usr/local/share/perl/5.32.1/HTML/Mason/Request.pm line 1300
eval {...} at /usr/local/share/perl/5.32.1/HTML/Mason/Request.pm line 1292
HTML::Mason::Request::comp(undef, undef, undef) called at /usr/local/share/perl/5.32.1/HTML/Mason/Request.pm line 481
eval {...} at /usr/local/share/perl/5.32.1/HTML/Mason/Request.pm line 481
eval {...} at /usr/local/share/perl/5.32.1/HTML/Mason/Request.pm line 433
HTML::Mason::Request::exec('HTML::Mason::Request::ApacheHandler=HASH(0x55984fd44708)') called at /usr/local/share/perl/5.32.1/HTML/Mason/ApacheHandler.pm line 168
HTML::Mason::Request::ApacheHandler::exec('HTML::Mason::Request::ApacheHandler=HASH(0x55984fd44708)') called at /usr/local/share/perl/5.32.1/HTML/Mason/ApacheHandler.pm line 825
HTML::Mason::ApacheHandler::handle_request('HTML::Mason::ApacheHandler=HASH(0x55984da69dd8)', 'Apache2::RequestRec=SCALAR(0x55985004fdd0)') called at /home/omskzdes/makeidea/sources/lib/MakeIdea/BK/Core/handler.pl line 85
eval {...} at /home/omskzdes/makeidea/sources/lib/MakeIdea/BK/Core/handler.pl line 81
MakeIdea::BK::Core::Handler::Mason::handler('Apache2::RequestRec=SCALAR(0x55985004fdd0)') called at -e line 0
eval {...} at -e line 0