Warning: Undefined array key "userId" in /var/www/vhosts/s4208532-ctxxxx.uogs.co.uk/httpdocs/friends/friendsDAO.php on line 14

Fatal error: Uncaught TypeError: mysqli_fetch_assoc(): Argument #1 ($result) must be of type mysqli_result, bool given in /var/www/vhosts/s4208532-ctxxxx.uogs.co.uk/httpdocs/friends/friendsDAO.php:16 Stack trace: #0 /var/www/vhosts/s4208532-ctxxxx.uogs.co.uk/httpdocs/friends/friendsDAO.php(16): mysqli_fetch_assoc() #1 /var/www/vhosts/s4208532-ctxxxx.uogs.co.uk/httpdocs/friends/list.php(18): usersList() #2 {main} thrown in /var/www/vhosts/s4208532-ctxxxx.uogs.co.uk/httpdocs/friends/friendsDAO.php on line 16