Administration - Installation - Core: Re: ILIAS 6.8 : Setup Parse error class.ilUserPasswordEncoderFactory.php on line 74

Please doublecheck your PHP version. ILIAS 6 only supports PHP 7.2 - 7.4. See the ILIAS installation documentation for more information:
https://docu.ilias.de/goto_docu_lm_367.html#php