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Fatal error: Uncaught mysqli_sql_exception: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 4 in /var/progra/progra252/progra252jpgrupo1/www/obtener_mejor_score_usuario.php:18 Stack trace: #0 /var/progra/progra252/progra252jpgrupo1/www/obtener_mejor_score_usuario.php(18): mysqli->query() #1 {main} thrown in /var/progra/progra252/progra252jpgrupo1/www/obtener_mejor_score_usuario.php on line 18