Whoops!
It seems you are using an older version of PHP
Froxlor requires at least PHP version 7.1.0
The installed version is: 7.0.33-0+deb9u10
aus meinem SSH:
php -v
PHP 7.1.33-34+0~20210228.54+debian9~1.gbpb1fb69 (cli) (built: Feb 28 2021 08:42:47) ( NTS )
Copyright (c) 1997-2018 The PHP Group
Zend Engine v3.1.0, Copyright (c) 1998-2018 Zend Technologies
with Zend OPcache v7.1.33-34+0~20210228.54+debian9~1.gbpb1fb69, Copyright (c) 1999-2018, by Zend Technologies