Setup of fresh install of Streams fails
After a fresh install of Debian11 and Streams the very first page load of the new site results in...
Fatal error: Uncaught Error: Call to undefined function Code\Module\is_windows() in /var/www/streams/Code/Module/Setup.php:393 Stack trace: #0 /var/www/streams/Code/Module/Setup.php(262): Code\Module\Setup->check_php() #1 /var/www/streams/Code/Web/Router.php(260): Code\Module\Setup->get() #2 /var/www/streams/Code/Web/WebServer.php(55): Code\Web\Router->Dispatch() #3 /var/www/streams/index.php(14): Code\Web\WebServer->run() #4 {main} thrown in /var/www/streams/Code/Module/Setup.php on line 393
The site is
https://lau.digitalesparadies.de/It was installed using .easyinstall -script without any errors.