Arno Welzel

In addition: the deprecation started with PHP 8.2. Also see https://www.php.net/manual/en/function.utf8-encode.php There are also hints how to replace it here: https://php.watch/versions/8.2/utf8_encode-utf8_decode-deprecated

You can already create multiple addressbooks and share each addressbook with a different user group (which is then the team). Does this help you? In addition using the Circles app...