System error

error:  DBI Error open database: could not translate host name "db-adep-test.heidix.net" to address: Name or service not known at /opt/adep.heidix.net/htdocs/autohandler line 12.
context: 
... 
8:  if(!$Session{Dbh_heidix} || !$Session{Dbh_heidix}->ping){
9:  my $heidix_dsn = $r->dir_config('heidix_dsn');
10:  my $heidix_user = $r->dir_config('heidix_user');
11:  my $heidix_psw = $r->dir_config('heidix_psw');
12:  my $dbh = DBI->connect_cached($heidix_dsn, $heidix_user, $heidix_psw)
13:  || die 'DBI Error open database: '.DBI::errstr;
14:  $dbh->{pg_enable_utf8} =1;
15:  $dbh->{RaiseError} = 1;
16:  $dbh->{ShowErrorStatement}=1;
... 
code stack:  /opt/adep.heidix.net/htdocs/autohandler:12
raw error






























DBI Error open database: could not translate host name "db-adep-test.heidix.net" to address: Name or service not known at /opt/adep.heidix.net/htdocs/autohandler line 12.


Trace begun at /usr/share/perl5/HTML/Mason/Exceptions.pm line 125
HTML::Mason::Exceptions::rethrow_exception('DBI Error open database: could not translate host name "db-adep-test.heidix.net" to address: Name or service not known at /opt/adep.heidix.net/htdocs/autohandler line 12.^J') called at /opt/adep.heidix.net/htdocs/autohandler line 12
HTML::Mason::Commands::__ANON__('4C', '') called at /usr/share/perl5/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x55a67979afc8)', '4C', '') 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, '4C', '') 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(0x55a67951f108)') called at /usr/share/perl5/HTML/Mason/ApacheHandler.pm line 165
HTML::Mason::Request::ApacheHandler::exec('HTML::Mason::Request::ApacheHandler=HASH(0x55a67951f108)') called at /usr/share/perl5/HTML/Mason/ApacheHandler.pm line 831
HTML::Mason::ApacheHandler::handle_request('HTML::Mason::ApacheHandler=HASH(0x55a67951efe8)', 'Apache2::RequestRec=SCALAR(0x55a678a91298)') called at (eval 39) line 8
HTML::Mason::ApacheHandler::handler('HTML::Mason::ApacheHandler', 'Apache2::RequestRec=SCALAR(0x55a678a91298)') called at -e line 0
eval {...} at -e line 0