Strict Standards: DateTime::createFromFormat(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'Europe/Berlin' for 'CET/1.0/no DST' instead in /homepages/15/d355654937/htdocs/vendor/symfony/http-foundation/ResponseHeaderBag.php on line 336
Redirecting to /core/install.php.