Community Support for OpenDocMan (Deprecated)

Hi
Please help me to sort out this issue, I am trying to install opendocman on ubuntu 16.04, getting this error

PHP Fatal error:  Uncaught PDOException: SQLSTATE[42S02]: Base table or view not found: 1146 Table 'opendocman.odm_settings' doesn't exist in /var/www/html/opendocman/Settings_class.php:83\nStack trace:\n#0 /var/www/html/opendocman/Settings_class.php(83): PDOStatement->execute()\n#1 /var/www/html/opendocman/odm-init.php(69): Settings->load()\n#2 /var/www/html/opendocman/odm-load.php(48): require_once('/var/www/html/o...')\n#3 /var/www/html/opendocman/index.php(51): require_once('/var/www/html/o...')\n#4 {main}\n  thrown in /var/www/html/opendocman/Settings_class.php on line 83

Already PDO extension enabled please find the attached image below.

Thanks