Backtrace starts in install/wizard.php line 63. - GDO\Install\Method\InstallModules->execute() GDO/Install/Method/InstallModules.php line 50. - GDO\DB\Database::init() ..................... GDO/DB/Database.php line 89. - GDO\DB\Database->__construct() .............. GDO/DB/Database.php line 76.