PDOException: SQLSTATE[08006] [7] サーバに接続できませんでした: そのようなファイルやディレクトリはありません
                              ローカルにサーバが稼動していますか?
                              Unixドメインソケット"/var/run/postgresql/.s.PGSQL.5432"で通信を受け付けていますか? in /var/www/vhosts/harmony-jp.biz/sys/app/ref.php:37
Stack trace:
#0 /var/www/vhosts/harmony-jp.biz/sys/app/ref.php(37): PDO->__construct()
#1 /var/www/vhosts/harmony-jp.biz/sys/app/ref.php(50): smx\app\Cfg->{closure}()
#2 /var/www/vhosts/harmony-jp.biz/sys/lib/smx/app/Cfg.php(27): smx\app\Cfg->{closure}()
#3 /var/www/vhosts/harmony-jp.biz/sys/lib/smx/app/Sys.php(61): class@anonymous->byval()
#4 /var/www/vhosts/harmony-jp.biz/sys/app/init.php(50): smx\app\Sys::ref()
#5 [internal function]: {closure}()
#6 /var/www/vhosts/harmony-jp.biz/sys/lib/smx/app/Sys.php(16): call_user_func_array()
#7 /var/www/vhosts/harmony-jp.biz/sys/app/init.php(60): smx\app\Sys::init()
#8 /var/www/vhosts/harmony-jp.biz/httpdocs/index.php(10): include('/var/www/vhosts...')
#9 {main}<br />
<b>Fatal error</b>:  Uncaught Error: Call to a member function query() on null in /var/www/vhosts/harmony-jp.biz/sys/app/init.php:50
Stack trace:
#0 [internal function]: {closure}()
#1 /var/www/vhosts/harmony-jp.biz/sys/lib/smx/app/Sys.php(16): call_user_func_array()
#2 /var/www/vhosts/harmony-jp.biz/sys/app/init.php(60): smx\app\Sys::init()
#3 /var/www/vhosts/harmony-jp.biz/httpdocs/index.php(10): include('/var/www/vhosts...')
#4 {main}
  thrown in <b>/var/www/vhosts/harmony-jp.biz/sys/app/init.php</b> on line <b>50</b><br />