Backtrace starts in install/wizard.php line 63. - GDO\Install\Method\InstallCronjob->execute() GDO/Install/Method/InstallCronjob.php line 36. - GDO\DB\Database::init() ..................... GDO/DB/Database.php line 89. - GDO\DB\Database->__construct() .............. GDO/DB/Database.php line 76.