Unable to connect to your database server using the provided settings.

Filename: C:\APM_Setup\htdocs\bbs\system\database\DB_driver.php

Line Number: 124
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        // No connection resource?  Throw an error
        if ( ! $this->conn_id)
        {
            log_message('error', 'Unable to connect to the database');

            if ($this->db_debug)
            {
                $this->display_error('db_unable_to_connect');-->해당파일 124번째 줄입니다.
            }
            return FALSE;
        }