Warning: mysqli_connect(): (HY000/2002): Connection refused in /volume1/web/site002/lib/common.lib.php on line 1441

Call Stack:
    0.0001     129776   1. {main}() /volume1/web/site002/bbs/board.php:0
    0.0002     130088   2. include_once('/volume1/web/site002/bbs/_common.php') /volume1/web/site002/bbs/board.php:2
    0.0002     130744   3. include_once('/volume1/web/site002/common.php') /volume1/web/site002/bbs/_common.php:2
    0.0023     153088   4. sql_connect() /volume1/web/site002/common.php:135
    0.0023     153152   5. mysqli_connect() /volume1/web/site002/lib/common.lib.php:1441

Connect Error: Connection refused