string(71) "PDO::__construct(): Argument #1 ($dsn) must be a valid data source name"
<br />
<b>Fatal error</b>:  Uncaught PDOException: PDO::__construct(): Argument #1 ($dsn) must be a valid data source name in /var/www/html/RabbitMQ/Core/DatabaseConnection.php:103
Stack trace:
#0 /var/www/html/RabbitMQ/Core/DatabaseConnection.php(103): PDO-&gt;__construct('')
#1 /var/www/html/RabbitMQ/Core/DatabaseConnection.php(121): RabbitMQ\Core\DatabaseConnection::getDB('')
#2 /var/www/html/sys/config.php(161): RabbitMQ\Core\DatabaseConnection::orm('')
#3 /var/www/html/sys/engine.sys.php(1126): orm()
#4 /var/www/html/sys/engine.sys.php(1109): getConfigGroup('PASSWORD_POLICY')
#5 /var/www/html/sys/engine.sys.php(33): getPasswordConfig()
#6 /var/www/html/bootstrap.php(10): require_once('/var/www/html/s...')
#7 /var/www/html/index.php(2): require_once('/var/www/html/b...')
#8 {main}
  thrown in <b>/var/www/html/RabbitMQ/Core/DatabaseConnection.php</b> on line <b>103</b><br />