Fatal error: Uncaught mysqli_sql_exception: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '))
GROUP BY REFRENS.RefNo, REFRENS.Author, REFRENS.Year, REFRENS.Title,...' at line 5 in /var/www/html/references/RefbyFamily.php:57
Stack trace:
#0 /var/www/html/references/RefbyFamily.php(57): mysqli->query()
#1 {main}
thrown in /var/www/html/references/RefbyFamily.php on line 57