Fatal error: Uncaught mysqli_sql_exception: Unknown column 'forum_users.id' in 'field list' in /var/www/vhosts/get-simple.info/httpdocs/extend/author.php:19 Stack trace: #0 /var/www/vhosts/get-simple.info/httpdocs/extend/author.php(19): mysqli_query() #1 {main} thrown in /var/www/vhosts/get-simple.info/httpdocs/extend/author.php on line 19