Warning: Trying to access array offset on value of type null in /var/www/html/amplia-nota.php on line 28

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 'AND n.id!=248 ORDER BY n.fecha DESC LIMIT 4' at line 5 in /var/www/html/amplia-nota.php:24 Stack trace: #0 /var/www/html/amplia-nota.php(24): mysqli->query() #1 {main} thrown in /var/www/html/amplia-nota.php on line 24