Warning: mysqli_connect(): php_network_getaddresses: getaddrinfo for idictab.com failed: Name or service not known in /ko8140/www/common/conn/_db_conn.php on line 50

Fatal error: Uncaught mysqli_sql_exception: php_network_getaddresses: getaddrinfo for idictab.com failed: Name or service not known in /ko8140/www/common/conn/_db_conn.php:50
Stack trace:
#0 /ko8140/www/common/conn/_db_conn.php(50): mysqli_connect('idictab.com:333...', 'root', Object(SensitiveParameterValue), 'ko8133')
#1 /ko8140/www/club.php(7): include_once('/ko8140/www/com...')
#2 {main}
  thrown in /ko8140/www/common/conn/_db_conn.php on line 50