Warning: Undefined array key "s"after fresh installation.

After fresh installation, i get always 

`Warning: Undefined array key "s" in /usr/www/users/reitstd/gutshaus.at/www/index.php on line 45`

Added Server are shown, but dont pulled informations from gameserver (Source CS2)

LGSL Version 7.0.0
PHP-Version: 8.4

Screenshot: https://freeimage.host/i/3FuBcl4